/* PlateLoadPro - Simplified Dark Theme */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Minimal & Dark */
    --primary-red: #ff0000;
    --dark-bg: #000000;
    --dark-bg-secondary: #111111;
    --dark-surface: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent-green: #00ff00;
    --border-color: #333333;
    
    /* Typography */
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    
    /* Animation */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
}

/* Typography */
body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 300;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 300;
    transition: var(--transition-fast);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.hero-text {
    max-width: 500px;
}

.hero-title {
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.feature-item {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: transparent;
}

.btn-primary {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-primary:hover {
    background: var(--text-primary);
    color: var(--dark-bg);
}

/* Terminal */
.terminal {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    font-family: var(--font-mono);
    max-width: 500px;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--dark-bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.status-indicator.pulse {
    box-shadow: 0 0 10px var(--accent-green);
}

.terminal-content {
    padding: var(--space-md);
    min-height: 200px;
}

.terminal-line {
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.prompt {
    color: var(--accent-green);
    margin-right: var(--space-sm);
}

.command {
    color: var(--text-primary);
}

.output {
    color: var(--text-secondary);
    margin-left: var(--space-lg);
}

.cursor {
    color: var(--accent-green);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Features Section */
.features {
    padding: var(--space-3xl) 0;
    background: var(--dark-bg-secondary);
    border-top: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.feature-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Access Section */
.access {
    padding: var(--space-3xl) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.access-content h2 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.access-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-color);
    background: var(--dark-bg);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: var(--space-md);
    }
    
    .hero-content {
        padding: 0 var(--space-md);
    }
    
    .terminal {
        margin: 0 var(--space-md);
    }
    
    .feature-card {
        padding: var(--space-xl) var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
}

/* App Sections */
.welcome-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--dark-bg);
}

.welcome-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-text {
    max-width: 500px;
}

.welcome-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    font-weight: 300;
    line-height: 1.1;
}

.welcome-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.welcome-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.welcome-features .feature-item {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.welcome-buttons {
    display: flex;
    gap: var(--space-lg);
}

.welcome-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-dashboard {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    max-width: 400px;
    width: 100%;
    font-family: var(--font-mono);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.preview-title {
    font-size: 0.875rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preview-status {
    color: var(--accent-green);
    font-size: 0.75rem;
}

.preview-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.stat-preview {
    text-align: center;
    padding: var(--space-md);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
}

.stat-preview .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.stat-preview .stat-number {
    display: block;
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.preview-workouts {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.workout-preview {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.workout-preview .workout-name {
    color: var(--text-primary);
}

.workout-preview .workout-date {
    color: var(--text-secondary);
}

.app-section {
    display: none;
    padding-top: 100px;
    min-height: 100vh;
}

.app-section.active {
    display: block;
}

/* Navigation Updates */
.nav-links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.guest-auth {
    display: flex;
    align-items: center;
}

/* Auth Modal Updates */
.auth-switch {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
}

.auth-switch span {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.auth-switch-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: underline;
    font-size: 0.875rem;
}

.auth-switch-btn:hover {
    color: var(--primary-red);
}

.auth-primary {
    width: 100%;
    justify-content: center;
}

/* App Sections (rest of existing styles) */

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.stats-card {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.stats-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-size: 1.25rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.recent-workouts,
.quick-actions {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.recent-workouts h3,
.quick-actions h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-size: 1.25rem;
}

.workout-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.workout-item {
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.02);
}

.workout-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.workout-name {
    color: var(--text-primary);
    font-weight: 500;
}

.workout-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.workout-details {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.action-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.action-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.form-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Workout Creator */
.workout-creator {
    max-width: 800px;
    margin: 0 auto;
}

.exercises-section {
    margin: var(--space-2xl) 0;
}

.exercises-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.exercises-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.exercises-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-item {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    position: relative;
}

.exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.exercise-number {
    background: var(--border-color);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.remove-exercise {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.remove-exercise:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

/* Workout Logger */
.workout-logger {
    max-width: 800px;
    margin: 0 auto;
}

.workout-selection {
    display: flex;
    gap: var(--space-lg);
    align-items: end;
    margin-bottom: var(--space-xl);
}

.workout-selection .form-group {
    flex: 1;
    margin-bottom: 0;
}

.active-workout {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.workout-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.workout-timer {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.workout-timer span:last-child {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.exercise-logs-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.exercise-log {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.exercise-log-header {
    margin-bottom: var(--space-lg);
}

.exercise-log-header h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.exercise-targets {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.exercise-instructions {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sets-logging {
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.sets-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--border-color);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.set-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.set-row:last-child {
    border-bottom: none;
}

.set-row.logged {
    background: rgba(0,255,0,0.05);
}

.set-number {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-align: center;
}

.reps-input,
.weight-input {
    padding: var(--space-sm);
    font-size: 0.875rem;
}

.log-set-btn {
    padding: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.log-set-btn:hover:not(:disabled) {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.log-set-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.workout-notes {
    margin: var(--space-xl) 0;
}

/* History */
.history-container {
    max-width: 1000px;
    margin: 0 auto;
}

.history-filters {
    margin-bottom: var(--space-xl);
}

.filter-group {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
}

.history-tabs {
    display: flex;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.workout-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.workout-history-item {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.workout-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.workout-history-header h4 {
    color: var(--text-primary);
    margin: 0;
}

.workout-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.workout-exercises {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.exercise-summary {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.exercise-name {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.exercise-sets {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.workout-notes {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.exercise-search {
    margin-bottom: var(--space-xl);
}

.exercise-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-history-group {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.exercise-history-group h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.exercise-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.exercise-data-item {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
}

.data-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.data-weight {
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.data-reps {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.data-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: var(--space-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .workout-selection {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .sets-header,
    .set-row {
        grid-template-columns: 40px 80px 80px 80px;
        gap: var(--space-sm);
    }
    
    .workout-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .workout-exercises {
        grid-template-columns: 1fr;
    }
    
    .exercise-data {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .form-actions {
        flex-direction: column;
    }
    
    .workout-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .data-main {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Navigation Active States */
.nav-link.active {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

/* Authentication UI */
.auth-section {
    margin-left: var(--space-lg);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.user-info span {
    color: var(--text-secondary);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-body p {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    width: 100%;
}

.auth-icon {
    font-size: 1.25rem;
}

.auth-divider {
    text-align: center;
    position: relative;
    margin: var(--space-md) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--dark-surface);
    padding: 0 var(--space-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.email-auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.email-auth input {
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.email-auth input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.auth-form-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.auth-error {
    background: rgba(255,71,87,0.1);
    border: 1px solid rgba(255,71,87,0.3);
    color: #ff4757;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--space-lg);
    text-align: center;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-indicator span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* User Info Section */
.user-info-section {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.user-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.user-email {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Status Indicator Updates */
.status-indicator.active {
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

/* Auth Modal Updates */
.auth-switch {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
}

.auth-switch span {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.auth-switch-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: underline;
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.auth-switch-btn:hover {
    color: var(--primary-red);
}

.auth-primary {
    width: 100%;
    justify-content: center;
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    width: 100%;
}

.auth-icon {
    font-size: 1.25rem;
}

.auth-divider {
    text-align: center;
    position: relative;
    margin: var(--space-md) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--dark-surface);
    padding: 0 var(--space-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.email-auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.email-auth input {
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.email-auth input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.auth-form-buttons {
    display: flex;
    flex-direction: column;
}

.auth-error {
    background: rgba(255,71,87,0.1);
    border: 1px solid rgba(255,71,87,0.3);
    color: #ff4757;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--space-lg);
    text-align: center;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-indicator span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-body p {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Responsive Updates */
@media (max-width: 768px) {
    .user-info-section {
        margin: var(--space-lg) 0;
        padding: var(--space-md);
    }
    
    .modal-content {
        margin: var(--space-md);
        width: calc(100% - 2rem);
    }
    
    .auth-btn {
        padding: var(--space-lg) var(--space-md);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

/* Selection styling */
::selection {
    background: var(--primary-red);
    color: var(--text-primary);
}

::-moz-selection {
    background: var(--primary-red);
    color: var(--text-primary);
}

/* PlateLoadPro - Simplified Dark Theme */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Minimal & Dark */
    --primary-red: #ff0000;
    --dark-bg: #000000;
    --dark-bg-secondary: #111111;
    --dark-surface: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent-green: #00ff00;
    --border-color: #333333;
    
    /* Typography */
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    
    /* Animation */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
}

/* Typography */
body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 300;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 300;
    transition: var(--transition-fast);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.hero-text {
    max-width: 500px;
}

.hero-title {
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.feature-item {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: transparent;
}

.btn-primary {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-primary:hover {
    background: var(--text-primary);
    color: var(--dark-bg);
}

/* Terminal */
.terminal {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    font-family: var(--font-mono);
    max-width: 500px;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--dark-bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.status-indicator.pulse {
    box-shadow: 0 0 10px var(--accent-green);
}

.terminal-content {
    padding: var(--space-md);
    min-height: 200px;
}

.terminal-line {
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.prompt {
    color: var(--accent-green);
    margin-right: var(--space-sm);
}

.command {
    color: var(--text-primary);
}

.output {
    color: var(--text-secondary);
    margin-left: var(--space-lg);
}

.cursor {
    color: var(--accent-green);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Features Section */
.features {
    padding: var(--space-3xl) 0;
    background: var(--dark-bg-secondary);
    border-top: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.feature-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Access Section */
.access {
    padding: var(--space-3xl) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.access-content h2 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.access-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-color);
    background: var(--dark-bg);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: var(--space-md);
    }
    
    .hero-content {
        padding: 0 var(--space-md);
    }
    
    .terminal {
        margin: 0 var(--space-md);
    }
    
    .feature-card {
        padding: var(--space-xl) var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
}

/* App Sections */
.welcome-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--dark-bg);
}

.welcome-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-text {
    max-width: 500px;
}

.welcome-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    font-weight: 300;
    line-height: 1.1;
}

.welcome-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.welcome-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.welcome-features .feature-item {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.welcome-buttons {
    display: flex;
    gap: var(--space-lg);
}

.welcome-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-dashboard {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    max-width: 400px;
    width: 100%;
    font-family: var(--font-mono);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.preview-title {
    font-size: 0.875rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preview-status {
    color: var(--accent-green);
    font-size: 0.75rem;
}

.preview-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.stat-preview {
    text-align: center;
    padding: var(--space-md);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
}

.stat-preview .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.stat-preview .stat-number {
    display: block;
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.preview-workouts {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.workout-preview {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.workout-preview .workout-name {
    color: var(--text-primary);
}

.workout-preview .workout-date {
    color: var(--text-secondary);
}

.app-section {
    display: none;
    padding-top: 100px;
    min-height: 100vh;
}

.app-section.active {
    display: block;
}

/* Navigation Updates */
.nav-links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.guest-auth {
    display: flex;
    align-items: center;
}

/* Auth Modal Updates */
.auth-switch {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
}

.auth-switch span {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.auth-switch-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: underline;
    font-size: 0.875rem;
}

.auth-switch-btn:hover {
    color: var(--primary-red);
}

.auth-primary {
    width: 100%;
    justify-content: center;
}

/* App Sections (rest of existing styles) */

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.stats-card {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.stats-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-size: 1.25rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.recent-workouts,
.quick-actions {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.recent-workouts h3,
.quick-actions h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-size: 1.25rem;
}

.workout-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.workout-item {
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.02);
}

.workout-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.workout-name {
    color: var(--text-primary);
    font-weight: 500;
}

.workout-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.workout-details {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.action-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.action-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.form-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Workout Creator */
.workout-creator {
    max-width: 800px;
    margin: 0 auto;
}

.exercises-section {
    margin: var(--space-2xl) 0;
}

.exercises-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.exercises-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.exercises-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-item {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    position: relative;
}

.exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.exercise-number {
    background: var(--border-color);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.remove-exercise {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.remove-exercise:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

/* Workout Logger */
.workout-logger {
    max-width: 800px;
    margin: 0 auto;
}

.workout-selection {
    display: flex;
    gap: var(--space-lg);
    align-items: end;
    margin-bottom: var(--space-xl);
}

.workout-selection .form-group {
    flex: 1;
    margin-bottom: 0;
}

.active-workout {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.workout-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.workout-timer {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.workout-timer span:last-child {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.exercise-logs-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.exercise-log {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.exercise-log-header {
    margin-bottom: var(--space-lg);
}

.exercise-log-header h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.exercise-targets {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.exercise-instructions {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sets-logging {
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.sets-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--border-color);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.set-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.set-row:last-child {
    border-bottom: none;
}

.set-row.logged {
    background: rgba(0,255,0,0.05);
}

.set-number {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-align: center;
}

.reps-input,
.weight-input {
    padding: var(--space-sm);
    font-size: 0.875rem;
}

.log-set-btn {
    padding: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.log-set-btn:hover:not(:disabled) {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.log-set-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.workout-notes {
    margin: var(--space-xl) 0;
}

/* History */
.history-container {
    max-width: 1000px;
    margin: 0 auto;
}

.history-filters {
    margin-bottom: var(--space-xl);
}

.filter-group {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
}

.history-tabs {
    display: flex;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.workout-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.workout-history-item {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.workout-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.workout-history-header h4 {
    color: var(--text-primary);
    margin: 0;
}

.workout-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.workout-exercises {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.exercise-summary {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.exercise-name {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.exercise-sets {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.workout-notes {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.exercise-search {
    margin-bottom: var(--space-xl);
}

.exercise-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-history-group {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.exercise-history-group h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.exercise-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.exercise-data-item {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
}

.data-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.data-weight {
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.data-reps {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.data-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: var(--space-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .workout-selection {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .sets-header,
    .set-row {
        grid-template-columns: 40px 80px 80px 80px;
        gap: var(--space-sm);
    }
    
    .workout-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .workout-exercises {
        grid-template-columns: 1fr;
    }
    
    .exercise-data {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .form-actions {
        flex-direction: column;
    }
    
    .workout-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .data-main {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Navigation Active States */
.nav-link.active {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

/* Authentication UI */
.auth-section {
    margin-left: var(--space-lg);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.user-info span {
    color: var(--text-secondary);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-body p {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    width: 100%;
}

.auth-icon {
    font-size: 1.25rem;
}

.auth-divider {
    text-align: center;
    position: relative;
    margin: var(--space-md) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--dark-surface);
    padding: 0 var(--space-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.email-auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.email-auth input {
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.email-auth input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.auth-form-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.auth-error {
    background: rgba(255,71,87,0.1);
    border: 1px solid rgba(255,71,87,0.3);
    color: #ff4757;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--space-lg);
    text-align: center;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-indicator span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* User Info Section */
.user-info-section {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.user-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.user-email {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Status Indicator Updates */
.status-indicator.active {
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

/* Auth Modal Updates */
.auth-switch {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
}

.auth-switch span {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.auth-switch-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: underline;
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.auth-switch-btn:hover {
    color: var(--primary-red);
}

.auth-primary {
    width: 100%;
    justify-content: center;
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    width: 100%;
}

.auth-icon {
    font-size: 1.25rem;
}

.auth-divider {
    text-align: center;
    position: relative;
    margin: var(--space-md) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--dark-surface);
    padding: 0 var(--space-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.email-auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.email-auth input {
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.email-auth input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.auth-form-buttons {
    display: flex;
    flex-direction: column;
}

.auth-error {
    background: rgba(255,71,87,0.1);
    border: 1px solid rgba(255,71,87,0.3);
    color: #ff4757;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--space-lg);
    text-align: center;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-indicator span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-body p {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Responsive Updates */
@media (max-width: 768px) {
    .user-info-section {
        margin: var(--space-lg) 0;
        padding: var(--space-md);
    }
    
    .modal-content {
        margin: var(--space-md);
        width: calc(100% - 2rem);
    }
    
    .auth-btn {
        padding: var(--space-lg) var(--space-md);
    }
}

/* Dashboard-Specific Styles */
.main-interface {
    min-height: 100vh;
    padding-top: 80px;
    background: var(--dark-bg);
}

.system-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-right: var(--space-lg);
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.user-label {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Command Interface */
.command-interface {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: var(--dark-bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1px;
    background: var(--border-color);
}

.command-btn {
    background: var(--dark-surface);
    border: none;
    padding: var(--space-xl);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-mono);
}

.command-btn:hover {
    background: var(--dark-bg-secondary);
}

.command-code {
    display: block;
    color: var(--accent-green);
    font-size: 0.75rem;
    margin-bottom: var(--space-sm);
}

.command-name {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.command-desc {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* System Modules */
.system-module {
    display: none;
}

.system-module.active {
    display: block;
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.module-header h2 {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.module-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.data-block {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--dark-bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.data-indicator {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.data-indicator.pulse {
    background: var(--accent-green);
}

.data-indicator.active {
    background: var(--primary-red);
}

.data-content {
    padding: var(--space-lg);
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.metric-value {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.session-log {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.log-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.log-protocol {
    color: var(--text-primary);
}

.log-date {
    color: var(--text-muted);
}

.system-cmd {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-fast);
}

.system-cmd:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.cmd-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

/* Protocol Creator */
.protocol-creator {
    max-width: 800px;
    margin: 0 auto;
}

.input-block {
    margin-bottom: var(--space-lg);
}

.input-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.system-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
}

.system-input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.system-input::placeholder {
    color: var(--text-muted);
    text-transform: uppercase;
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.exercises-block {
    margin: var(--space-2xl) 0;
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.block-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modules-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-module {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.module-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.module-number {
    font-family: var(--font-mono);
    color: var(--accent-green);
    font-weight: 600;
}

.remove-module {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-module:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

.form-controls {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Session Executor */
.session-executor {
    max-width: 800px;
    margin: 0 auto;
}

.protocol-selection {
    display: flex;
    gap: var(--space-lg);
    align-items: end;
    margin-bottom: var(--space-xl);
}

.protocol-selection .input-block {
    flex: 1;
    margin-bottom: 0;
}

.active-session {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.session-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.session-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-info h3 {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin: 0;
    text-transform: uppercase;
}

.session-timer {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.timer-label {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.timer-value {
    color: var(--accent-green);
    font-size: 1.25rem;
    font-weight: 600;
}

.exercise-modules {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.execution-module {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    background: rgba(255,255,255,0.02);
}

.execution-header {
    margin-bottom: var(--space-lg);
}

.execution-header h4 {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.execution-targets {
    display: flex;
    gap: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.execution-notes {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sets-execution {
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.sets-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
}

.set-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.set-row:last-child {
    border-bottom: none;
}

.set-row.logged {
    background: rgba(0,255,0,0.05);
}

.set-number {
    font-family: var(--font-mono);
    color: var(--accent-green);
    text-align: center;
    font-weight: 600;
}

.reps-input,
.weight-input {
    padding: var(--space-sm);
    font-size: 0.75rem;
    text-align: center;
}

.log-set-btn {
    padding: var(--space-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.log-set-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.session-controls {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Analysis Interface */
.analysis-interface {
    max-width: 1000px;
    margin: 0 auto;
}

.analysis-filters {
    margin-bottom: var(--space-xl);
}

.filter-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
}

.analysis-tabs {
    display: flex;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.analysis-tab {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.analysis-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-green);
}

.analysis-content {
    display: none;
}

.analysis-content.active {
    display: block;
}

.history-log,
.analysis-log {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.history-block,
.analysis-block {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.history-protocol,
.analysis-title {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-weight: 600;
}

.history-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-exercises,
.analysis-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.exercise-summary {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.exercise-name {
    color: var(--text-primary);
}

.exercise-data {
    color: var(--text-secondary);
}

.data-entry {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-align: center;
}

.data-load {
    color: var(--accent-green);
    font-weight: 600;
}

.data-reps {
    color: var(--text-primary);
}

.data-date,
.data-protocol {
    color: var(--text-secondary);
}

.history-notes {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .command-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .command-grid {
        grid-template-columns: 1fr;
    }
    
    .session-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .sets-header,
    .set-row {
        grid-template-columns: 40px 80px 80px 80px;
        gap: var(--space-sm);
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
    
    .protocol-selection {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-controls,
    .session-controls {
        flex-direction: column;
    }
    
    .data-entry {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xs);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

/* Selection styling */
::selection {
    background: var(--primary-red);
    color: var(--text-primary);
}

::-moz-selection {
    background: var(--primary-red);
    color: var(--text-primary);
}
/* Protocol Creator */
.protocol-creator {
    max-width: 800px;
    margin: 0 auto;
}

.existing-protocols {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-color);
}

.protocols-header {
    margin-bottom: var(--space-lg);
}

.protocols-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.protocol-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.protocol-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.protocol-name {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.protocol-exercises {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.protocol-actions {
    display: flex;
    gap: var(--space-sm);
}

.protocol-action-btn {
    padding: var(--space-xs) var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.delete-btn:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

/* History Blocks */
.history-block.clickable {
    cursor: pointer;
    transition: var(--transition-fast);
}

.history-block.clickable:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.click-hint {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Exercise Analysis Updates */
.exercise-workouts {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.workout-session {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
}

.workout-session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.session-protocol {
    color: var(--text-primary);
    font-weight: 600;
}

.session-date {
    color: var(--text-secondary);
}

.workout-sets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-sm);
}

.set-data {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.set-number {
    color: var(--text-muted);
    min-width: 40px;
}

.set-load {
    color: var(--accent-green);
    font-weight: 600;
}

.set-reps {
    color: var(--text-primary);
}

/* Workout Detail Modal */
.workout-detail-modal {
    max-width: 800px;
    width: 95%;
    max-height: 90vh;
}

.workout-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.workout-meta {
    background: var(--dark-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.meta-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.meta-label {
    color: var(--text-secondary);
    text-transform: uppercase;
}

.meta-value {
    color: var(--text-primary);
    font-weight: 600;
}

.workout-exercises-detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-detail {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-lg);
}

.exercise-detail .exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.exercise-detail h4 {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin: 0;
    font-size: 1rem;
}

.exercise-target {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.exercise-detail .exercise-instructions {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sets-detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.set-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.set-detail .set-number {
    color: var(--accent-green);
    font-weight: 600;
    min-width: 60px;
}

.set-performance {
    color: var(--text-primary);
    font-weight: 600;
    flex: 1;
    text-align: center;
}

.set-time {
    color: var(--text-muted);
    font-size: 0.75rem;
    min-width: 80px;
    text-align: right;
}

.workout-notes-detail {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-lg);
}

.notes-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    letter-spacing: 0.1em;
}

.notes-content {
    font-family: var(--font-mono);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 0.875rem;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .protocol-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .protocol-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .workout-sets {
        grid-template-columns: 1fr;
    }
    
    .set-detail {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .set-detail .set-number,
    .set-performance,
    .set-time {
        min-width: auto;
        text-align: left;
    }
    
    .workout-detail-modal {
        width: 95%;
        margin: var(--space-md);
    }
}

/* Utility Classes *//* PlateLoadPro - Simplified Dark Theme */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Minimal & Dark */
    --primary-red: #ff0000;
    --dark-bg: #000000;
    --dark-bg-secondary: #111111;
    --dark-surface: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-muted: #555555;
    --accent-green: #00ff00;
    --border-color: #333333;
    
    /* Typography */
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    
    /* Animation */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
}

/* Typography */
body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 300;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 300;
    transition: var(--transition-fast);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.hero-text {
    max-width: 500px;
}

.hero-title {
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.feature-item {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: transparent;
}

.btn-primary {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-primary:hover {
    background: var(--text-primary);
    color: var(--dark-bg);
}

/* Terminal */
.terminal {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    font-family: var(--font-mono);
    max-width: 500px;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--dark-bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.status-indicator.pulse {
    box-shadow: 0 0 10px var(--accent-green);
}

.terminal-content {
    padding: var(--space-md);
    min-height: 200px;
}

.terminal-line {
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.prompt {
    color: var(--accent-green);
    margin-right: var(--space-sm);
}

.command {
    color: var(--text-primary);
}

.output {
    color: var(--text-secondary);
    margin-left: var(--space-lg);
}

.cursor {
    color: var(--accent-green);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Features Section */
.features {
    padding: var(--space-3xl) 0;
    background: var(--dark-bg-secondary);
    border-top: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.feature-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Access Section */
.access {
    padding: var(--space-3xl) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.access-content h2 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-weight: 300;
}

.access-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-color);
    background: var(--dark-bg);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: var(--space-md);
    }
    
    .hero-content {
        padding: 0 var(--space-md);
    }
    
    .terminal {
        margin: 0 var(--space-md);
    }
    
    .feature-card {
        padding: var(--space-xl) var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
}

/* App Sections */
.welcome-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--dark-bg);
}

.welcome-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-text {
    max-width: 500px;
}

.welcome-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    font-weight: 300;
    line-height: 1.1;
}

.welcome-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.welcome-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.welcome-features .feature-item {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.welcome-buttons {
    display: flex;
    gap: var(--space-lg);
}

.welcome-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-dashboard {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    max-width: 400px;
    width: 100%;
    font-family: var(--font-mono);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.preview-title {
    font-size: 0.875rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preview-status {
    color: var(--accent-green);
    font-size: 0.75rem;
}

.preview-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.stat-preview {
    text-align: center;
    padding: var(--space-md);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
}

.stat-preview .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.stat-preview .stat-number {
    display: block;
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.preview-workouts {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.workout-preview {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.workout-preview .workout-name {
    color: var(--text-primary);
}

.workout-preview .workout-date {
    color: var(--text-secondary);
}

.app-section {
    display: none;
    padding-top: 100px;
    min-height: 100vh;
}

.app-section.active {
    display: block;
}

/* Navigation Updates */
.nav-links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.guest-auth {
    display: flex;
    align-items: center;
}

/* Auth Modal Updates */
.auth-switch {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
}

.auth-switch span {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.auth-switch-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: underline;
    font-size: 0.875rem;
}

.auth-switch-btn:hover {
    color: var(--primary-red);
}

.auth-primary {
    width: 100%;
    justify-content: center;
}

/* App Sections (rest of existing styles) */

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.stats-card {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.stats-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-size: 1.25rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.recent-workouts,
.quick-actions {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.recent-workouts h3,
.quick-actions h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-size: 1.25rem;
}

.workout-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.workout-item {
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.02);
}

.workout-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.workout-name {
    color: var(--text-primary);
    font-weight: 500;
}

.workout-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.workout-details {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.action-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.action-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.form-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Workout Creator */
.workout-creator {
    max-width: 800px;
    margin: 0 auto;
}

.exercises-section {
    margin: var(--space-2xl) 0;
}

.exercises-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.exercises-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.exercises-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-item {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    position: relative;
}

.exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.exercise-number {
    background: var(--border-color);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.remove-exercise {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.remove-exercise:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

/* Workout Logger */
.workout-logger {
    max-width: 800px;
    margin: 0 auto;
}

.workout-selection {
    display: flex;
    gap: var(--space-lg);
    align-items: end;
    margin-bottom: var(--space-xl);
}

.workout-selection .form-group {
    flex: 1;
    margin-bottom: 0;
}

.active-workout {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.workout-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.workout-timer {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.workout-timer span:last-child {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.exercise-logs-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.exercise-log {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.exercise-log-header {
    margin-bottom: var(--space-lg);
}

.exercise-log-header h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.exercise-targets {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.exercise-instructions {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sets-logging {
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.sets-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--border-color);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.set-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.set-row:last-child {
    border-bottom: none;
}

.set-row.logged {
    background: rgba(0,255,0,0.05);
}

.set-number {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-align: center;
}

.reps-input,
.weight-input {
    padding: var(--space-sm);
    font-size: 0.875rem;
}

.log-set-btn {
    padding: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.log-set-btn:hover:not(:disabled) {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.log-set-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.workout-notes {
    margin: var(--space-xl) 0;
}

/* History */
.history-container {
    max-width: 1000px;
    margin: 0 auto;
}

.history-filters {
    margin-bottom: var(--space-xl);
}

.filter-group {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
}

.history-tabs {
    display: flex;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.workout-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.workout-history-item {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.workout-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.workout-history-header h4 {
    color: var(--text-primary);
    margin: 0;
}

.workout-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.workout-exercises {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.exercise-summary {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.exercise-name {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.exercise-sets {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.workout-notes {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.exercise-search {
    margin-bottom: var(--space-xl);
}

.exercise-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-history-group {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.exercise-history-group h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.exercise-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.exercise-data-item {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
}

.data-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.data-weight {
    color: var(--text-primary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.data-reps {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.data-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: var(--space-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .workout-selection {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .sets-header,
    .set-row {
        grid-template-columns: 40px 80px 80px 80px;
        gap: var(--space-sm);
    }
    
    .workout-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .workout-exercises {
        grid-template-columns: 1fr;
    }
    
    .exercise-data {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .form-actions {
        flex-direction: column;
    }
    
    .workout-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .data-main {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Navigation Active States */
.nav-link.active {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

/* Authentication UI */
.auth-section {
    margin-left: var(--space-lg);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.user-info span {
    color: var(--text-secondary);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-body p {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    width: 100%;
}

.auth-icon {
    font-size: 1.25rem;
}

.auth-divider {
    text-align: center;
    position: relative;
    margin: var(--space-md) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--dark-surface);
    padding: 0 var(--space-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.email-auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.email-auth input {
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.email-auth input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.auth-form-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.auth-error {
    background: rgba(255,71,87,0.1);
    border: 1px solid rgba(255,71,87,0.3);
    color: #ff4757;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--space-lg);
    text-align: center;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-indicator span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* User Info Section */
.user-info-section {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.user-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.user-email {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Status Indicator Updates */
.status-indicator.active {
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

/* Auth Modal Updates */
.auth-switch {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
}

.auth-switch span {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.auth-switch-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: underline;
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

.auth-switch-btn:hover {
    color: var(--primary-red);
}

.auth-primary {
    width: 100%;
    justify-content: center;
}

.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    width: 100%;
}

.auth-icon {
    font-size: 1.25rem;
}

.auth-divider {
    text-align: center;
    position: relative;
    margin: var(--space-md) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--dark-surface);
    padding: 0 var(--space-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.email-auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.email-auth input {
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.email-auth input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.auth-form-buttons {
    display: flex;
    flex-direction: column;
}

.auth-error {
    background: rgba(255,71,87,0.1);
    border: 1px solid rgba(255,71,87,0.3);
    color: #ff4757;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--space-lg);
    text-align: center;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-indicator span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-body p {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Responsive Updates */
@media (max-width: 768px) {
    .user-info-section {
        margin: var(--space-lg) 0;
        padding: var(--space-md);
    }
    
    .modal-content {
        margin: var(--space-md);
        width: calc(100% - 2rem);
    }
    
    .auth-btn {
        padding: var(--space-lg) var(--space-md);
    }
}

/* Dashboard-Specific Styles */
.main-interface {
    min-height: 100vh;
    padding-top: 80px;
    background: var(--dark-bg);
}

.system-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-right: var(--space-lg);
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.user-label {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Command Interface */
.command-interface {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: var(--dark-bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1px;
    background: var(--border-color);
}

.command-btn {
    background: var(--dark-surface);
    border: none;
    padding: var(--space-xl);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-mono);
}

.command-btn:hover {
    background: var(--dark-bg-secondary);
}

.command-code {
    display: block;
    color: var(--accent-green);
    font-size: 0.75rem;
    margin-bottom: var(--space-sm);
}

.command-name {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.command-desc {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* System Modules */
.system-module {
    display: none;
}

.system-module.active {
    display: block;
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.module-header h2 {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.module-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.data-block {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--dark-bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.data-indicator {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.data-indicator.pulse {
    background: var(--accent-green);
}

.data-indicator.active {
    background: var(--primary-red);
}

.data-content {
    padding: var(--space-lg);
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.metric-value {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.session-log {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.log-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.log-protocol {
    color: var(--text-primary);
}

.log-date {
    color: var(--text-muted);
}

.system-cmd {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-fast);
}

.system-cmd:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.cmd-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

/* Protocol Creator */
.protocol-creator {
    max-width: 800px;
    margin: 0 auto;
}

.input-block {
    margin-bottom: var(--space-lg);
}

.input-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.system-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
}

.system-input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.system-input::placeholder {
    color: var(--text-muted);
    text-transform: uppercase;
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.exercises-block {
    margin: var(--space-2xl) 0;
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.block-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modules-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.exercise-module {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.module-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.module-number {
    font-family: var(--font-mono);
    color: var(--accent-green);
    font-weight: 600;
}

.remove-module {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-module:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

.form-controls {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Session Executor */
.session-executor {
    max-width: 800px;
    margin: 0 auto;
}

.protocol-selection {
    display: flex;
    gap: var(--space-lg);
    align-items: end;
    margin-bottom: var(--space-xl);
}

.protocol-selection .input-block {
    flex: 1;
    margin-bottom: 0;
}

.active-session {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.session-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.session-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-info h3 {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin: 0;
    text-transform: uppercase;
}

.session-timer {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.timer-label {
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.timer-value {
    color: var(--accent-green);
    font-size: 1.25rem;
    font-weight: 600;
}

.exercise-modules {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.execution-module {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    background: rgba(255,255,255,0.02);
}

.execution-header {
    margin-bottom: var(--space-lg);
}

.execution-header h4 {
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.execution-targets {
    display: flex;
    gap: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.execution-notes {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sets-execution {
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.sets-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
}

.set-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-md);
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.set-row:last-child {
    border-bottom: none;
}

.set-row.logged {
    background: rgba(0,255,0,0.05);
}

.set-number {
    font-family: var(--font-mono);
    color: var(--accent-green);
    text-align: center;
    font-weight: 600;
}

.reps-input,
.weight-input {
    padding: var(--space-sm);
    font-size: 0.75rem;
    text-align: center;
}

.log-set-btn {
    padding: var(--space-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.log-set-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.session-controls {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Analysis Interface */
.analysis-interface {
    max-width: 1000px;
    margin: 0 auto;
}

.analysis-filters {
    margin-bottom: var(--space-xl);
}

.filter-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
}

.analysis-tabs {
    display: flex;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.analysis-tab {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.analysis-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-green);
}

.analysis-content {
    display: none;
}

.analysis-content.active {
    display: block;
}

.history-log,
.analysis-log {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.history-block,
.analysis-block {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.history-protocol,
.analysis-title {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-weight: 600;
}

.history-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-exercises,
.analysis-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.exercise-summary {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.exercise-name {
    color: var(--text-primary);
}

.exercise-data {
    color: var(--text-secondary);
}

.data-entry {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-align: center;
}

.data-load {
    color: var(--accent-green);
    font-weight: 600;
}

.data-reps {
    color: var(--text-primary);
}

.data-date,
.data-protocol {
    color: var(--text-secondary);
}

.history-notes {
    background: rgba(255,255,255,0.02);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .command-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .command-grid {
        grid-template-columns: 1fr;
    }
    
    .session-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .sets-header,
    .set-row {
        grid-template-columns: 40px 80px 80px 80px;
        gap: var(--space-sm);
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
    
    .protocol-selection {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-controls,
    .session-controls {
        flex-direction: column;
    }
    
    .data-entry {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xs);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

/* Selection styling */
::selection {
    background: var(--primary-red);
    color: var(--text-primary);
}

::-moz-selection {
    background: var(--primary-red);
    color: var(--text-primary);
}