/* ============================================
   CSS VARIABLE SYSTEM - Dark Mode Color Palette
   ============================================ */

:root {
    /* Brand Gradient (Primary CTA) */
    --gradient-brand: linear-gradient(
        135deg,
        #00E5FF 0%,   /* Cyan */
        #3F8CFF 25%,  /* Blue */
        #7B61FF 50%,  /* Indigo */
        #FF5FD8 75%,  /* Pink */
        #FFE600 100%  /* Yellow */
    );
    
    /* Accent Colors (Single-color usage) */
    --accent-cyan:    #00E5FF;
    --accent-blue:    #3F8CFF;
    --accent-purple:  #7B61FF;
    --accent-pink:    #FF5FD8;
    --accent-yellow:  #FFE600;
    
    /* Dark Background System */
    --bg-app:        #0B0D10; /* main app background */
    --bg-surface-1:  #12151B; /* cards */
    --bg-surface-2:  #181C24; /* elevated cards / modals */
    --bg-surface-3:  #1F2430; /* hover / active */
    
    /* Border Colors */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.12);
    
    /* Typography Colors */
    --text-primary:   #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.72);
    --text-muted:     rgba(255, 255, 255, 0.45);
    --text-disabled:  rgba(255, 255, 255, 0.30);
    
    /* Text on Brand Gradient Surfaces */
    --text-on-brand: rgba(10, 12, 16, 0.88);
    
    /* Status Colors */
    --success: #2EE6A6;
    --warning: #FFE600;
    --error:   #FF5F5F;
    --info:    #3F8CFF;
    
    /* Transitions */
    --transition-standard: all 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
    
    /* Spacing System - Scale Tokens */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    --spacing-3xl: 30px;
    --spacing-4xl: 40px;
    
    /* Spacing System - Semantic Tokens */
    --spacing-section: var(--spacing-3xl); /* 30px - section spacing */
    --spacing-header: var(--spacing-2xl);  /* 24px - header margins */
    --spacing-card: var(--spacing-xl);     /* 20px - card padding */
    --spacing-gap-sm: var(--spacing-md);   /* 12px - small gaps */
    --spacing-gap-md: var(--spacing-xl);   /* 20px - medium gaps */
    --spacing-gap-lg: var(--spacing-2xl);  /* 24px - large gaps */
}

/* Glow Utility Class */
.glow-brand {
    box-shadow:
        0 0 0 rgba(0, 229, 255, 0),
        0 12px 40px rgba(0, 229, 255, 0.35);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 12px;
}

/* Desktop: Add more padding and max-width */
@media (min-width: 769px) {
    body {
        padding: var(--spacing-xl);
    }
    
    .container {
        max-width: 1200px;
        padding: 0;
    }
}

.container.login-page {
    max-width: 100%;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.container.login-page .header {
    display: none;
}

.header {
    margin-bottom: 16px;
    position: relative;
}

@media (min-width: 769px) {
    .header {
        margin-bottom: var(--spacing-section);
    }
}

.header-content {
    text-align: center;
    position: relative;
}

.header-left {
    /* Centered content - no flex needed */
}

.header-right {
    position: absolute;
    top: 0;
    right: 0;
}

.header h1 {
    font-size: 1.75em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

@media (min-width: 769px) {
    .header h1 {
        font-size: 2.5em;
        margin-bottom: var(--spacing-md);
    }
}

.date {
    font-size: 1.1em;
    color: var(--text-secondary);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-surface-1);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-standard);
    text-transform: capitalize;
}

.user-menu-button:hover {
    background: var(--bg-surface-2);
    border-color: var(--border-strong);
}

.user-menu-button:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

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

.user-menu-arrow {
    font-size: 0.7rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.user-menu-button[aria-expanded="true"] .user-menu-arrow {
    transform: rotate(180deg);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 200px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-standard);
    z-index: 1000;
}

.user-menu-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-standard);
    text-align: left;
    text-transform: capitalize;
}

.user-menu-item:hover {
    background: var(--bg-surface-3);
}

.user-menu-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    cursor: default;
    padding-bottom: 0.5rem;
}

.user-menu-header:hover {
    background: transparent;
}

.user-menu-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: none;
}

.user-menu-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.user-menu-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 0.5rem 0;
}

.user-menu-action {
    color: var(--text-primary);
    font-weight: 500;
}

.user-menu-action:hover {
    color: var(--error);
}

/* Mobile-first: User menu adjustments */
.header-right {
    position: absolute;
    top: 0;
    right: 0;
}

.user-menu-dropdown {
    right: 0;
    left: auto;
    transform: translateY(-10px);
}

.user-menu-dropdown.active {
    transform: translateY(0);
}

.header-content {
    padding-right: 0;
}

@media (min-width: 769px) {
    .header-content {
        padding-right: 0;
    }
}

.workout-card {
    background: var(--bg-surface-1);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-subtle);
    margin-bottom: 16px;
}

@media (min-width: 769px) {
    .workout-card {
        border-radius: 16px;
        padding: var(--spacing-section);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        margin-bottom: var(--spacing-card);
    }
}

.workout-content h2 {
    font-size: 1.8em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-header);
}

.workout-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: var(--spacing-4xl);
}

.workout-loading .loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-gap-lg);
}

.workout-loading .loading-content p {
    color: var(--text-secondary);
    font-size: 1em;
    margin: 0;
}

.exercise-card {
    background: var(--bg-surface-2);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 12px;
    border: 1px solid var(--border-subtle);
}

@media (min-width: 769px) {
    .exercise-card {
        border-radius: 12px;
        padding: var(--spacing-xl);
        margin-bottom: var(--spacing-card);
    }
}

.exercise-name-container {
    margin-bottom: var(--spacing-md);
}

.exercise-name {
    font-size: 1.15em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.3;
}

@media (min-width: 769px) {
    .exercise-name {
        font-size: 1.3em;
        margin-bottom: var(--spacing-sm);
    }
}

.exercise-target-range {
    font-size: 0.9em;
    color: var(--accent-cyan);
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.exercise-last-time {
    font-size: 0.85em;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: var(--spacing-xs);
    font-style: italic;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.4;
}

/* Mobile-first: Card-based layout for sets */
.sets-table {
    width: 100%;
    margin-top: 12px;
    font-size: 1em;
    display: block;
}

.sets-table thead {
    display: none; /* Hide header on mobile */
}

.sets-table tbody {
    display: block;
    width: 100%;
}

.sets-table tr {
    display: block;
    background: var(--bg-surface-3);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 10px;
    border: 1px solid var(--border-subtle);
}

.sets-table td {
    display: block;
    padding: 0;
    border: none;
    margin-bottom: 12px;
}

.sets-table td:last-child {
    margin-bottom: 0;
}

/* Set number as header */
.sets-table .set-number {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-subtle);
    text-align: left;
}

/* Mobile: Two-column layout for weight and reps */
.sets-table .weight-cell,
.sets-table .reps-cell {
    display: inline-block;
    width: calc(50% - 6px);
    vertical-align: top;
    margin-right: 12px;
}

.sets-table .reps-cell {
    margin-right: 0;
}

/* Labels for mobile */
.sets-table .weight-cell::before {
    content: 'Weight (lbs)';
    display: block;
    font-size: 0.75em;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sets-table .reps-cell::before {
    content: 'Reps';
    display: block;
    font-size: 0.75em;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Checkbox row */
.sets-table .checkbox-cell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0 0 0;
    margin-top: 8px;
    border-top: 1px solid var(--border-subtle);
    width: 100%;
}

.sets-table .checkbox-cell::before {
    content: 'Complete';
    font-size: 0.9em;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Copy button cell */
.sets-table .copy-set-cell {
    display: block;
    width: 100%;
    padding: 8px 0 0 0;
    margin-top: 8px;
    text-align: left;
}

/* Desktop: Table layout */
@media (min-width: 769px) {
    .sets-table {
        display: table;
        border-collapse: separate;
        border-spacing: 0;
        margin-top: var(--spacing-md);
        font-size: 1em;
    }
    
    .sets-table thead {
        display: table-header-group;
    }
    
    .sets-table tbody {
        display: table-row-group;
    }
    
    .sets-table tr {
        display: table-row;
        background: transparent;
        border-radius: 0;
        padding: 0;
        margin-bottom: 0;
        border: none;
    }
    
    .sets-table td {
        display: table-cell;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-subtle);
        vertical-align: middle;
        margin-bottom: 0;
    }
    
    .sets-table td:first-child {
        padding-left: var(--spacing-md);
    }
    
    .sets-table .set-number {
        font-size: 0.95em;
        font-weight: 600;
        color: var(--text-secondary);
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
        text-align: center;
        width: auto;
    }
    
    .sets-table .weight-cell,
    .sets-table .reps-cell {
        display: table-cell;
        width: auto;
        margin-right: 0;
    }
    
    .sets-table .weight-cell::before,
    .sets-table .reps-cell::before {
        display: none;
    }
    
    .sets-table .checkbox-cell {
        display: table-cell;
        width: 60px;
        padding: var(--spacing-md);
        margin-top: 0;
        border-top: none;
        text-align: center;
    }
    
    .sets-table .checkbox-cell::before {
        display: none;
    }
    
    .sets-table .copy-set-cell {
        display: table-cell;
        width: auto;
        padding: var(--spacing-md);
        margin-top: 0;
        text-align: center;
    }
    
    .sets-table th {
        background-color: var(--bg-surface-3);
        padding: var(--spacing-md);
        text-align: left;
        font-weight: 600;
        color: var(--text-secondary);
        border-bottom: 1px solid var(--border-subtle);
        font-size: 1em;
        white-space: nowrap;
    }
    
    .sets-table th:first-child {
        padding-left: var(--spacing-md);
        width: auto;
    }
}

.sets-table tr:last-child td {
    border-bottom: none;
}

.sets-table input {
    width: 100%;
    padding: 14px 12px;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    font-size: 1.1em;
    background: var(--bg-surface-1);
    color: var(--text-primary);
    transition: var(--transition-standard);
    min-height: 48px;
    font-weight: 500;
    text-align: center;
    box-sizing: border-box;
}

.sets-table input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
    background: var(--bg-surface-2);
}

.sets-table input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

@media (min-width: 769px) {
    .sets-table input {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 1em;
        min-height: auto;
        text-align: left;
        font-weight: 400;
    }
}

/* Removed duplicate - already defined above */

.checkbox-cell {
    text-align: center;
    width: 60px;
    padding: 14px 10px;
}

.checkbox-cell input[type="checkbox"] {
    width: 28px;
    height: 28px;
    cursor: pointer;
    accent-color: var(--accent-cyan);
    min-width: 28px;
    min-height: 28px;
}

@media (min-width: 769px) {
    .checkbox-cell {
        width: 60px;
        padding: var(--spacing-md);
    }
    
    .checkbox-cell input[type="checkbox"] {
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
    }
}

/* Weight controls styling */
.weight-cell {
    padding: 0;
}

.weight-controls {
    display: block;
    width: 100%;
    box-sizing: border-box;
}

/* Hide +/- buttons on mobile - removed for cleaner UX */
.weight-btn {
    display: none;
}

.weight-btn:active {
    transform: scale(0.95);
}

.weight-controls .weight-input {
    width: 100%;
    margin: 0;
    font-size: 1.1em;
    font-weight: 500;
    text-align: center;
}

@media (min-width: 769px) {
    .weight-controls {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .weight-btn {
        display: flex;
        background: var(--bg-surface-3);
        border: 1px solid var(--border-subtle);
        border-radius: 8px;
        color: var(--text-primary);
        font-size: 1.2em;
        font-weight: 700;
        width: 32px;
        height: 32px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: var(--transition-standard);
        padding: 0;
        flex-shrink: 0;
        min-width: 32px;
        min-height: 32px;
        line-height: 1;
    }
    
    .weight-btn:hover {
        background: var(--bg-surface-2);
        border-color: var(--accent-cyan);
        transform: scale(1.05);
    }
    
    .weight-btn:active {
        transform: scale(0.95);
        background: var(--bg-surface-2);
    }
    
    .weight-controls .weight-input {
        flex: 1;
        min-width: 0;
        font-size: 1em;
        font-weight: 400;
        text-align: left;
    }
}

/* Copy set button styling */
.copy-set-cell {
    padding: 14px 10px;
    text-align: center;
    width: 80px;
}

@media (min-width: 769px) {
    .copy-set-cell {
        padding: var(--spacing-md);
        width: auto;
    }
}

.copy-set-btn {
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.75em;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--transition-standard);
    min-height: 36px;
    white-space: nowrap;
}

.copy-set-btn:hover {
    background: var(--bg-surface-3);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

.complete-btn {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: 16px 24px;
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 0.2px;
    border-radius: 12px;
    cursor: pointer;
    margin-top: 20px;
    width: 100%;
    transition: var(--transition-standard);
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
    min-height: 48px; /* Touch-friendly */
}

@media (min-width: 769px) {
    .complete-btn {
        padding: var(--spacing-md) var(--spacing-4xl);
        font-size: 1.1em;
        margin-top: var(--spacing-section);
        box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
        min-height: auto;
    }
}

.complete-btn:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}

.complete-btn:active {
    transform: scale(0.98);
}

.complete-btn:disabled {
    background: var(--bg-surface-3);
    color: var(--text-disabled);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.enable-ai-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 16px;
    padding: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition-standard);
    border-radius: 8px;
}

.enable-ai-option:hover {
    color: var(--text-primary);
    background: var(--bg-surface-2);
}

.enable-ai-option input[type="checkbox"] {
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: var(--accent-cyan);
    flex-shrink: 0;
}

@media (min-width: 769px) {
    .enable-ai-option {
        margin-top: 20px;
        padding: 14px;
    }
}

.loading, .error {
    text-align: center;
    padding: var(--spacing-4xl);
    color: var(--text-muted);
    font-size: 1.1em;
}

.error {
    color: var(--error);
}

.homepage {
    max-width: 900px;
    margin: 0 auto;
}

.homepage-header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.homepage-header h2 {
    font-size: 1.5em;
    color: var(--text-primary);
    margin: 0;
}

@media (min-width: 769px) {
    .homepage-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-bottom: var(--spacing-section);
        gap: var(--spacing-gap-sm);
    }
    
    .homepage-header h2 {
        font-size: 2em;
    }
}

.workout-history-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-gap-md);
    padding-bottom: calc(100px + env(safe-area-inset-bottom, 0px));
}

.workout-history-card {
    background: var(--bg-surface-1);
    border-radius: 10px;
    padding: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transition: var(--transition-standard);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    margin-bottom: 12px;
}

@media (min-width: 769px) {
    .workout-history-card {
        border-radius: 12px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        margin-bottom: var(--spacing-lg);
    }
}

.workout-history-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.workout-history-card.collapsed .workout-history-expanded-content {
    display: none;
}

.workout-history-card.expanded .workout-history-collapsed-content {
    display: none;
}

.workout-history-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface-1);
    gap: 8px;
}

@media (min-width: 769px) {
    .workout-history-header {
        flex-direction: row;
        justify-content: space-between;
        padding: var(--spacing-xl) var(--spacing-2xl);
        gap: 0;
    }
}
    flex-wrap: wrap;
    gap: var(--spacing-gap-sm);
}

.workout-history-header.clickable {
    cursor: pointer;
    user-select: none;
}

.workout-history-header.clickable:hover {
    background: var(--bg-surface-2);
}

.expand-indicator {
    font-size: 0.8em;
    color: var(--text-muted);
    transition: var(--transition-standard);
}

.workout-history-title h3 {
    font-size: 1.1em;
    color: var(--text-primary);
    margin: 0 0 6px 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.workout-history-date {
    font-size: 0.85em;
    color: var(--text-secondary);
    font-weight: 400;
}

.workout-history-stats {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.stat-badge {
    background: var(--bg-surface-2);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 4px;
    font-size: 0.8em;
    font-weight: 500;
    letter-spacing: -0.01em;
    border: 1px solid var(--border-subtle);
}

.stat-badge.ai-status-failed {
    background: rgba(255, 95, 95, 0.15);
    color: var(--error);
    border: 1px solid var(--error);
}

.workout-history-collapsed-content {
    padding: var(--spacing-lg) var(--spacing-2xl);
}

.insight-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.insight-badge {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-md);
    background: var(--bg-surface-2);
    border-radius: 6px;
    font-size: 0.9em;
    color: var(--text-secondary);
    line-height: 1.4;
    border: 1px solid var(--border-subtle);
}

.insight-icon {
    font-size: 1.1em;
    flex-shrink: 0;
}

.workout-history-expanded-content {
    padding: var(--spacing-2xl);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 2000px;
    }
}

.expanded-insights-section {
    margin-bottom: var(--spacing-header);
    padding: var(--spacing-lg);
    background: var(--bg-surface-2);
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.expanded-insight-item {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    color: var(--text-secondary);
}

.expanded-insight-item:last-child {
    margin-bottom: 0;
}

.expanded-insight-item strong {
    color: var(--text-primary);
    margin-right: var(--spacing-sm);
}

.expanded-exercises-section {
    margin-bottom: var(--spacing-header);
}

.expanded-exercises-section h4 {
    font-size: 1.1em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.expanded-exercise-row {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-subtle);
}

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

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

.expanded-exercise-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95em;
}

.expanded-exercise-sets {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

.expanded-exercise-insights {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-xl);
}

.exercise-insight-item {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.exercise-insight-item:last-child {
    margin-bottom: 0;
}

.next-workout-cta-container {
    margin-top: var(--spacing-header);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-subtle);
}

.next-workout-cta {
    width: 100%;
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 0.2px;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-standard);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.next-workout-cta:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}

.next-workout-cta:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    color: var(--text-muted);
}

.empty-state p {
    font-size: 1.1em;
}

.error-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--error);
}

/* Primary CTA Button (Header State) */
.primary-cta-btn {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-md) var(--spacing-4xl);
    font-size: 1.1em;
    font-weight: 600;
    letter-spacing: 0.2px;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-standard);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.primary-cta-btn:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}

.primary-cta-btn.secondary {
    opacity: 0.45;
    pointer-events: none;
    transition: var(--transition-standard);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-gap-sm);
    flex-wrap: wrap;
}

.log-3x30-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-strong);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.95em;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-standard);
}

.log-3x30-btn:hover {
    background: var(--bg-surface-2);
    color: var(--text-primary);
    border-color: var(--accent-cyan);
}

/* Sticky CTA Container */
/* Action Button Container - Fixed center bottom */
.action-button-container {
    position: fixed;
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: none; /* Hidden by default, shown when header button is not visible */
    pointer-events: none; /* Allow clicks to pass through container */
}

.action-button {
    padding: var(--spacing-lg) var(--spacing-4xl);
    font-size: 1.2em;
    font-weight: 600;
    letter-spacing: 0.2px;
    border-radius: 50px;
    border: none;
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
    transform: scale(0.95);
    opacity: 0;
    transition: var(--transition-standard);
    pointer-events: auto; /* Enable clicks on button */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.action-button.entered {
    transform: scale(1);
    opacity: 1;
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
}

.action-button:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}

.action-button:active {
    transform: scale(0.98);
}

/* Legacy sticky-cta styles for backward compatibility (can be removed later) */
.sticky-cta-container {
    position: fixed;
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: none;
}

.sticky-cta-btn {
    padding: var(--spacing-lg) var(--spacing-4xl);
    font-size: 1.2em;
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
    transform: scale(0.95);
    opacity: 0;
    transition: var(--transition-standard);
}

.sticky-cta-btn.entered {
    transform: scale(1);
    opacity: 1;
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
}

.sticky-cta-btn:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}

/* Scroll Sentinel */
.scroll-sentinel {
    height: 1px;
    width: 100%;
    margin-top: var(--spacing-card);
    visibility: hidden;
}

/* Next Workout Metadata */
.next-workout-metadata {
    margin-top: var(--spacing-card);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-subtle);
}

.next-workout-pill {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-surface-2);
    color: var(--accent-cyan);
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 500;
    border: 1px solid var(--border-subtle);
}

/* Next Workout Preview Callout */
.next-workout-preview {
    margin-bottom: var(--spacing-header);
}

.next-workout-info {
    /* Container for the callout */
}

.next-workout-callout {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-surface-1);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent-cyan);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: var(--transition-standard);
}

.next-workout-callout:hover {
    background: var(--bg-surface-2);
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.next-workout-callout-icon {
    font-size: 1.75rem;
    line-height: 1;
    flex-shrink: 0;
}

.next-workout-callout-content {
    flex: 1;
    min-width: 0;
}

.next-workout-callout-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.next-workout-callout-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.next-workout-callout-error {
    border-left-color: var(--error);
}

.next-workout-callout-error .next-workout-callout-title {
    color: var(--error);
    font-size: 1rem;
    font-weight: 500;
}

/* Mobile-first: Homepage and callout styles */
.next-workout-callout {
    padding: 14px 16px;
    gap: 10px;
}

.next-workout-callout-icon {
    font-size: 1.5rem;
}

.next-workout-callout-title {
    font-size: 1.1rem;
}

.homepage-header {
    flex-direction: column;
    align-items: stretch;
}

.homepage-header h2 {
    font-size: 1.5em;
}

.primary-cta-btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
}

.sticky-cta-btn {
    width: calc(100% - 24px);
    max-width: 400px;
    min-height: 48px;
}

.workout-history-header {
    flex-direction: column;
    padding: 14px 16px;
}

.workout-history-table th,
.workout-history-table td {
    padding: 10px 12px;
    font-size: 0.85em;
}

.history-th-exercise {
    min-width: 120px;
}

.workout-history-table {
    font-size: 0.85em;
}

@media (min-width: 769px) {
    .next-workout-callout {
        padding: 1rem 1.25rem;
        gap: 0.75rem;
    }
    
    .homepage-header {
        flex-direction: row;
        align-items: center;
    }
    
    .homepage-header h2 {
        font-size: 2em;
    }
    
    .primary-cta-btn {
        width: auto;
        min-height: auto;
    }
    
    .sticky-cta-btn {
        width: calc(100% - 40px);
        min-height: auto;
    }
    
    .workout-history-header {
        flex-direction: row;
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .workout-history-table th,
    .workout-history-table td {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1em;
    }
    
    .history-th-exercise {
        min-width: 150px;
    }
    
    .workout-history-table {
        font-size: 1em;
    }
}


.plus-icon {
    font-size: 1.2em;
    margin-right: var(--spacing-md);
    font-weight: 300;
}

.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

@media (min-width: 769px) {
    .workout-header {
        gap: var(--spacing-gap-sm);
        margin-bottom: var(--spacing-header);
    }
}

.workout-header h2 {
    margin: 0;
    flex: 1;
    color: var(--text-primary);
    font-size: 1.25em;
    font-weight: 600;
    min-width: 0; /* Allow text to shrink */
}

@media (min-width: 769px) {
    .workout-header h2 {
        font-size: 1.5em;
    }
}

.workout-options {
    display: flex;
    gap: 16px;
    padding: 12px 14px;
    background: var(--bg-surface-2);
    border-radius: 8px;
    margin-bottom: 14px;
}

@media (min-width: 769px) {
    .workout-options {
        gap: var(--spacing-gap-md);
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid var(--border-subtle);
        border-radius: 0;
        margin-bottom: 0;
    }
}

.workout-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-standard);
}

.workout-option:hover {
    color: var(--text-primary);
}

.workout-option input[type="checkbox"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--accent-blue);
}

.back-btn {
    background: var(--bg-surface-2);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    padding: 10px 14px;
    font-size: 0.9em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-standard);
    min-height: 40px;
    white-space: nowrap;
}

@media (min-width: 769px) {
    .back-btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.95em;
        min-height: auto;
    }
}

.back-btn:hover {
    background: var(--bg-surface-3);
    border-color: var(--border-strong);
}

.cancel-workout-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    padding: 10px 12px;
    font-size: 0.85em;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-standard);
    opacity: 0.7;
    min-height: 40px;
    white-space: nowrap;
}

@media (min-width: 769px) {
    .cancel-workout-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9em;
        min-height: auto;
    }
}

.cancel-workout-btn:hover {
    opacity: 1;
    background: var(--bg-surface-2);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.export-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    padding: 10px 12px;
    font-size: 0.85em;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-standard);
    opacity: 0.7;
    min-height: 40px;
    white-space: nowrap;
}

@media (min-width: 769px) {
    .export-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9em;
        min-height: auto;
    }
}

.export-btn:hover {
    opacity: 1;
    background: var(--bg-surface-2);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.template-header {
    margin-bottom: var(--spacing-card);
}

.template-header h3 {
    margin: var(--spacing-md) 0;
}

.template-selection {
    padding: var(--spacing-xl) 0;
}

.template-selection h3 {
    font-size: 1.5em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-card);
}

.templates-list {
    max-width: 900px;
    margin: 0 auto;
}

.templates-list h2 {
    font-size: 2em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-header);
    margin-top: 0;
}

#templatesListContainer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-gap-sm);
}

#templatesContainer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-gap-sm);
    margin-bottom: var(--spacing-card);
}

.template-card {
    background: var(--bg-surface-1);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: var(--spacing-xl);
    transition: var(--transition-standard);
}

.template-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 229, 255, 0.35);
    box-shadow:
        0 0 0 1px rgba(0, 229, 255, 0.15),
        0 12px 32px rgba(0, 0, 0, 0.5);
}

.template-name {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.template-exercises {
    margin-bottom: var(--spacing-md);
}

.template-exercise-item {
    color: var(--text-secondary);
    font-size: 0.95em;
    padding: var(--spacing-xs) 0;
}

.select-template-btn {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1em;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-standard);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
    letter-spacing: 0.2px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.select-template-btn:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}


.set-number {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95em;
    text-align: center;
    width: 50px;
    min-width: 50px;
}

@media (min-width: 769px) {
    .set-number {
        font-size: 1em;
        width: auto;
        min-width: auto;
    }
}
    font-weight: 600;
    color: var(--text-secondary);
    width: 80px;
}

.weight-input, .reps-input {
    max-width: 100%;
}

.reps-input {
    font-size: 1.1em;
    font-weight: 500;
}

@media (min-width: 769px) {
    .weight-input, .reps-input {
        max-width: 120px;
    }
    
    .reps-input {
        font-size: 1em;
        font-weight: 400;
    }
}

/* Rest Timer Styles */
.timer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.timer-content {
    background: var(--bg-surface-2);
    border-radius: 20px;
    padding: var(--spacing-4xl);
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-subtle);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.timer-header h3 {
    margin: 0;
    font-size: 1.5em;
    color: var(--text-primary);
}

.close-timer-btn {
    background: none;
    border: none;
    font-size: 2em;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-standard);
}

.close-timer-btn:hover {
    background: var(--bg-surface-3);
    color: var(--text-primary);
}

.timer-display-container {
    margin-bottom: var(--spacing-section);
}

.timer-display {
    font-size: 4em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-card);
    font-variant-numeric: tabular-nums;
    font-family: 'Courier New', monospace;
}

.timer-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-surface-1);
    border-radius: 4px;
    overflow: hidden;
}

.timer-progress {
    height: 100%;
    background: var(--gradient-brand);
    border-radius: 4px;
    transition: width 1s linear;
    width: 100%;
}

.timer-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.stop-timer-btn {
    background: var(--bg-surface-2);
    color: var(--error);
    border: 1px solid var(--border-subtle);
    padding: var(--spacing-md) var(--spacing-section);
    font-size: 1em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-standard);
}

.stop-timer-btn:hover {
    background: var(--bg-surface-3);
    border-color: var(--error);
}

.timer-button-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100;
}

.start-timer-btn {
    background: var(--bg-surface-2);
    color: var(--accent-cyan);
    border: 1px solid var(--border-subtle);
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1em;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: var(--transition-standard);
}

.start-timer-btn:hover {
    transform: translateY(-2px);
    background: var(--bg-surface-3);
    border-color: var(--accent-cyan);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.2);
}

.start-timer-btn:active {
    transform: translateY(0);
}

/* Completion Progress Modal */
/* Completion Confirmation Modal */
.completion-confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.completion-confirm-content {
    background: var(--bg-surface-2);
    border-radius: 16px;
    padding: 24px;
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1;
}

.completion-confirm-header {
    margin-bottom: 20px;
}

.completion-confirm-header h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.completion-confirm-body {
    margin-bottom: 24px;
}

.completion-confirm-body p {
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.completion-confirm-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.completion-confirm-btn {
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-standard);
    border: none;
    min-height: 48px;
    width: 100%;
}

.completion-confirm-btn-primary {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
}

.completion-confirm-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 229, 255, 0.35);
}

.completion-confirm-btn-secondary {
    background: var(--bg-surface-1);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.completion-confirm-btn-secondary:hover {
    background: var(--bg-surface-3);
    border-color: var(--border-strong);
}

.completion-confirm-btn-cancel {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.completion-confirm-btn-cancel:hover {
    color: var(--text-primary);
    background: var(--bg-surface-1);
}

@media (min-width: 769px) {
    .completion-confirm-content {
        padding: 32px;
        max-width: 520px;
    }
    
    .completion-confirm-actions {
        flex-direction: row;
    }
    
    .completion-confirm-btn {
        flex: 1;
        width: auto;
    }
}

.completion-progress-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.completion-progress-content {
    background: var(--bg-surface-2);
    border-radius: 20px;
    padding: var(--spacing-4xl);
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-subtle);
    animation: slideUp 0.3s ease;
}

.completion-progress-header {
    text-align: center;
    margin-bottom: var(--spacing-section);
}

.completion-progress-header h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.completion-progress-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-gap-md);
    margin-bottom: var(--spacing-card);
}

.progress-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-gap-sm);
    padding: var(--spacing-md);
    border-radius: 12px;
    background: var(--bg-surface-1);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-standard);
}

.progress-step[data-status="pending"] {
    opacity: 0.5;
}

.progress-step[data-status="active"] {
    opacity: 1;
    border-color: var(--accent-cyan);
    background: var(--bg-surface-3);
}

.progress-step[data-status="success"] {
    opacity: 1;
    border-color: var(--success);
    background: rgba(46, 230, 166, 0.1);
}

.progress-step[data-status="error"] {
    opacity: 1;
    border-color: var(--error);
    background: rgba(255, 95, 95, 0.1);
}

.step-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    flex-shrink: 0;
    position: relative;
}

.progress-step[data-status="pending"] .step-icon {
    background: var(--bg-surface-2);
    color: var(--text-muted);
}

.progress-step[data-status="active"] .step-icon {
    background: var(--accent-cyan);
    color: var(--text-on-brand);
}

.progress-step[data-status="success"] .step-icon {
    background: var(--success);
    color: var(--text-on-brand);
}

.progress-step[data-status="error"] .step-icon {
    background: var(--error);
    color: var(--text-on-brand);
}

.step-check {
    display: none;
}

.step-check-success {
    display: none;
}

.step-check-error {
    display: none;
}

.step-spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
}

.progress-step[data-status="success"] .step-check-success {
    display: inline-block;
}

.progress-step[data-status="success"] .step-spinner,
.progress-step[data-status="error"] .step-spinner {
    display: none;
}

.progress-step[data-status="error"] .step-check-error {
    display: inline-block;
}

.progress-step[data-status="pending"] .step-spinner {
    display: none;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.step-text {
    flex: 1;
}

.step-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1em;
}

.step-description {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.completion-progress-footer {
    margin-top: var(--spacing-card);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.completion-message {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 8px;
    font-size: 0.95em;
}

.completion-message.success {
    background: rgba(46, 230, 166, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.completion-message.error {
    background: rgba(255, 95, 95, 0.15);
    color: var(--error);
    border: 1px solid var(--error);
}

.completion-message.warning {
    background: rgba(255, 230, 0, 0.15);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.completion-close-btn {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-md) var(--spacing-section);
    font-size: 1em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-standard);
}

.completion-close-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
}

.completion-close-btn:active {
    transform: translateY(0);
}

.completion-actions {
    display: flex;
    gap: var(--spacing-gap-sm);
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.retry-ai-btn {
    background: var(--bg-surface-2);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: 8px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-standard);
}

.retry-ai-btn:hover:not(:disabled) {
    background: var(--bg-surface-3);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.retry-ai-btn:active:not(:disabled) {
    transform: translateY(0);
}

.retry-ai-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Export Modal */
.export-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.export-modal-content {
    background: var(--bg-surface-2);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-subtle);
    animation: slideUp 0.3s ease;
}

.export-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-bottom: 1px solid var(--border-subtle);
}

.export-modal-header h3 {
    font-size: 1.25em;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.close-export-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5em;
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    transition: var(--transition-standard);
}

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

.export-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl) var(--spacing-2xl);
}

.export-modal-body pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85em;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-surface-1);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.export-modal-footer {
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: flex-end;
}

.copy-btn {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 0.95em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-standard);
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
}

.copy-btn:active {
    transform: translateY(0);
}

.copy-btn.copy-success {
    background: var(--success);
}

/* AI retry section in workout history cards */
.ai-retry-section {
    margin-bottom: var(--spacing-card);
    padding: var(--spacing-lg);
    background: rgba(255, 95, 95, 0.1);
    border: 1px solid var(--error);
    border-radius: 8px;
}

.ai-retry-message {
    color: var(--error);
    margin-bottom: var(--spacing-md);
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.ai-retry-success {
    color: var(--success);
    padding: var(--spacing-md);
    background: rgba(46, 230, 166, 0.15);
    border: 1px solid var(--success);
    border-radius: 8px;
    font-size: 0.95em;
    text-align: center;
}

/* Mobile-first: Timer and other mobile-specific styles */
.timer-content {
    padding: 20px 16px;
}

.timer-display {
    font-size: 2.5em;
}

.timer-button-container {
    bottom: 16px;
    right: 16px;
}

.start-timer-btn {
    padding: 12px 18px;
    font-size: 0.9em;
    min-height: 44px;
}

.copy-set-btn {
    font-size: 0.75em;
    padding: 6px 10px;
    min-height: 32px;
}

@media (min-width: 769px) {
    .timer-content {
        padding: var(--spacing-section) var(--spacing-xl);
    }
    
    .timer-display {
        font-size: 3em;
    }
    
    .timer-button-container {
        bottom: 20px;
        right: 20px;
    }
    
    .start-timer-btn {
        padding: var(--spacing-md) var(--spacing-xl);
        min-height: auto;
    }
    
    .copy-set-btn {
        font-size: 0.85em;
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: auto;
    }
}

/* AI Insights Styles */
.insights-container {
    padding: var(--spacing-xl) 0;
}

.insights-section {
    background: var(--bg-surface-1);
    border-radius: 12px;
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-header);
    border: 1px solid var(--border-subtle);
}

.insights-section h3 {
    font-size: 1.5em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-card);
    font-weight: 600;
}

.insight-item {
    margin-bottom: var(--spacing-card);
    padding: var(--spacing-md);
    background: var(--bg-surface-2);
    border-radius: 8px;
    border-left: 4px solid var(--accent-cyan);
}

.insight-item:last-child {
    margin-bottom: 0;
}

.insight-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1em;
}

.insight-content {
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-line;
}

.exercise-insights {
    margin-top: var(--spacing-section);
}

.exercise-insight-card {
    background: var(--bg-surface-2);
    border-radius: 8px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-subtle);
}

.exercise-insight-card:last-child {
    margin-bottom: 0;
}

.exercise-insight-card h4 {
    font-size: 1.2em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.insight-action {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-surface-3);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.95em;
    border: 1px solid var(--border-subtle);
}

.insight-action .confidence {
    color: var(--accent-cyan);
    font-weight: 600;
    margin-left: var(--spacing-md);
}

.insight-targets {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-surface-3);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.95em;
    border: 1px solid var(--border-subtle);
}

.close-insights-btn {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-md) var(--spacing-4xl);
    font-size: 1.1em;
    font-weight: 600;
    letter-spacing: 0.2px;
    border-radius: 12px;
    cursor: pointer;
    width: 100%;
    margin-top: var(--spacing-card);
    transition: var(--transition-standard);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.close-insights-btn:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}

/* Mobile-first: Insights styles */
.insights-section {
    padding: 16px;
    border-radius: 10px;
}

.insight-item {
    padding: 12px;
}

.exercise-insight-card {
    padding: 12px;
}

@media (min-width: 769px) {
    .insights-section {
        padding: var(--spacing-2xl);
        border-radius: 12px;
    }
    
    .insight-item {
        padding: var(--spacing-md);
    }
    
    .exercise-insight-card {
        padding: var(--spacing-md);
    }
}

/* Workout Preview Screen */
.workout-preview {
    max-width: 900px;
    margin: 0 auto;
}

.workout-preview-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-gap-sm);
    margin-bottom: var(--spacing-header);
}

.workout-preview-header h2 {
    margin: 0;
    flex: 1;
    font-size: 1.8em;
    color: var(--text-primary);
    position: relative;
    padding-left: var(--spacing-md);
}

.workout-preview-header h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}

.workout-preview-content {
    background: var(--bg-surface-1);
    border-radius: 16px;
    padding: var(--spacing-section);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-subtle);
}

.preview-banner {
    background: var(--bg-surface-2);
    border-left: 4px solid var(--accent-cyan);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 6px;
    margin-bottom: var(--spacing-header);
    border: 1px solid var(--border-subtle);
}

.preview-banner p {
    margin: 0;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95em;
}

#previewExercisesContainer {
    margin-bottom: var(--spacing-section);
}

.preview-exercise-card {
    background: var(--bg-surface-2);
    border-radius: 8px;
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-subtle);
}

.preview-exercise-card:last-child {
    margin-bottom: 0;
}

.preview-exercise-name {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.preview-exercise-targets {
    font-size: 0.95em;
    color: var(--accent-cyan);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

.preview-exercise-card:hover {
    border-color: rgba(0, 229, 255, 0.35);
    box-shadow:
        0 0 0 1px rgba(0, 229, 255, 0.15),
        0 10px 28px rgba(0, 0, 0, 0.45);
    transform: translateY(-1px);
    transition: var(--transition-standard);
}

.preview-actions {
    display: flex !important;
    gap: var(--spacing-gap-sm);
    margin-top: var(--spacing-header);
    visibility: visible !important;
    opacity: 1 !important;
}

.preview-actions .btn-secondary,
.preview-actions #rerollSuggestionsBtn {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.preview-actions .btn-secondary {
    flex: 1;
}

.preview-actions .start-workout-btn {
    flex: 2;
    width: auto;
}

.start-workout-btn {
    width: 100%;
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-lg) var(--spacing-4xl);
    font-size: 1.1em;
    font-weight: 600;
    letter-spacing: 0.2px;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-standard);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.25);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.start-workout-btn:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.35);
}

.start-workout-btn:active {
    transform: translateY(0);
}

/* ============================================
   COACHING PAGE STYLES
   ============================================ */

.coaching-page {
    max-width: 1000px;
    margin: 0 auto;
}

.coaching-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-header);
}

.coaching-header h2 {
    font-size: 2em;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.coaching-content {
    background: var(--bg-surface-1);
    border-radius: 16px;
    padding: var(--spacing-section);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-subtle);
}

/* Loading and Error States */
.loading-state,
.error-state {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    color: var(--text-secondary);
}

.error-state {
    color: var(--error);
}

.error-state .btn-primary {
    margin-top: var(--spacing-card);
}

/* Summary Card */
.coaching-summary-card {
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--border-subtle);
}

.summary-date {
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-card);
}

.summary-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-gap-md);
}

.metric {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-surface-2);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.metric-value {
    font-size: 2em;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
}

.metric-label {
    font-size: 0.9em;
    color: var(--text-secondary);
}

/* Coaching Sections */
.coaching-section {
    margin-bottom: var(--spacing-3xl);
}

.coaching-section h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-card);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-subtle);
}

/* Performance Overview */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.insight-card {
    background: var(--bg-surface-2);
    border-radius: 12px;
    padding: var(--spacing-xl);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-standard);
}

.insight-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.insight-card-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1em;
}

.insight-card-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Exercise Breakdown */
.exercises-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-gap-md);
}

.exercise-breakdown-card {
    background: var(--bg-surface-2);
    border-radius: 12px;
    padding: var(--spacing-xl);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-standard);
}

.exercise-breakdown-card:hover {
    border-color: var(--border-strong);
}

.exercise-breakdown-name {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.exercise-breakdown-sets {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95em;
}

.exercise-breakdown-insights {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-subtle);
}

.exercise-insight-item {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.6;
}

.exercise-insight-item:last-child {
    margin-bottom: 0;
}

.exercise-insight-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.exercise-targets {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-surface-3);
    border-radius: 8px;
    color: var(--accent-cyan);
    font-weight: 500;
}

.exercise-no-insights {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-style: italic;
}

/* Historical Context */
.history-comparison {
    background: var(--bg-surface-2);
    border-radius: 12px;
    padding: var(--spacing-xl);
    border: 1px solid var(--border-subtle);
}

.history-comparison-header {
    margin-bottom: var(--spacing-card);
    color: var(--text-secondary);
}

.history-comparison-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.history-comparison-item {
    padding: var(--spacing-lg);
    background: var(--bg-surface-3);
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.history-exercise-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.history-volume-comparison {
    display: flex;
    align-items: center;
    gap: var(--spacing-gap-sm);
    font-size: 0.95em;
}

.history-volume-previous {
    color: var(--text-secondary);
}

.history-volume-arrow {
    color: var(--text-muted);
}

.history-volume-current {
    color: var(--text-primary);
    font-weight: 600;
}

.history-volume-change {
    font-weight: 600;
}

.history-volume-change.positive {
    color: var(--success);
}

.history-volume-change.negative {
    color: var(--error);
}

.history-no-comparison {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    color: var(--text-muted);
}

/* Next Steps */
.next-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.next-step-card {
    background: var(--bg-surface-2);
    border-radius: 12px;
    padding: var(--spacing-xl);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-standard);
}

.next-step-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.next-step-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1em;
}

.next-step-day {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
}

.next-step-summary {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Coaching Actions */
.coaching-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-subtle);
}

.btn-secondary {
    background: var(--bg-surface-2);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: 8px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-standard);
}

.btn-secondary:hover {
    background: var(--bg-surface-3);
    border-color: var(--accent-cyan);
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--text-on-brand);
    border: none;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-standard);
    box-shadow: 0 4px 16px rgba(0, 229, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Responsive Design */
/* Mobile-first: Coaching and preview styles */
.coaching-content {
    padding: 16px;
}

.coaching-header h2 {
    font-size: 1.5em;
}

.summary-metrics {
    grid-template-columns: 1fr;
    gap: 12px;
}

.insights-grid {
    grid-template-columns: 1fr;
}

.next-steps-grid {
    grid-template-columns: 1fr;
}

.coaching-actions {
    flex-direction: column;
    gap: 12px;
}

.btn-secondary,
.btn-primary {
    width: 100%;
    min-height: 48px;
}

.workout-preview-content {
    padding: 16px;
}

.workout-preview-header h2 {
    font-size: 1.5em;
}

.preview-exercise-card {
    padding: 12px 14px;
}

.workout-history-collapsed-content,
.workout-history-expanded-content {
    padding: 14px 16px;
}

@media (min-width: 769px) {
    .coaching-content {
        padding: var(--spacing-xl);
    }
    
    .coaching-header h2 {
        font-size: 2em;
    }
    
    .summary-metrics {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-gap-sm);
    }
    
    .insights-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .next-steps-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .coaching-actions {
        flex-direction: row;
        gap: var(--spacing-gap-sm);
    }
    
    .btn-secondary,
    .btn-primary {
        width: auto;
        min-height: auto;
    }
    
    .workout-preview-content {
        padding: var(--spacing-section);
    }
    
    .workout-preview-header h2 {
        font-size: 1.8em;
    }
    
    .preview-exercise-card {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .workout-history-collapsed-content,
    .workout-history-expanded-content {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
}

/* Loading overlay for AI planning */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-app);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-gap-lg);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

#loadingMessage {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

/* Login Screen */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    background: var(--bg-app);
    margin: 0;
}


.login-card {
    background: var(--bg-surface-1);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 3rem;
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.login-card h1 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-secondary);
    margin: 0 0 2rem 0;
    font-size: 1rem;
}

.users-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.user-button {
    background: var(--bg-surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.25rem 2rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-standard);
    text-transform: capitalize;
}

.user-button:hover {
    background: var(--bg-surface-3);
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.user-button:active {
    transform: translateY(0);
}

.users-list .loading {
    color: var(--text-secondary);
    padding: 2rem;
}

.users-list .error {
    color: var(--error);
    padding: 1rem;
    background: rgba(255, 95, 95, 0.1);
    border-radius: 8px;
    border: 1px solid var(--error);
}

/* Password Gate Styles */
.password-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.password-input-group {
    width: 100%;
}

.password-input {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: var(--bg-surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: var(--transition-standard);
    font-family: inherit;
}

.password-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: var(--bg-surface-3);
    box-shadow: 0 0 0 3px rgba(63, 140, 255, 0.1);
}

.password-input::placeholder {
    color: var(--text-muted);
}

.password-submit-btn {
    width: 100%;
    padding: 1.25rem 2rem;
    background: var(--gradient-brand);
    border: none;
    border-radius: 12px;
    color: var(--text-on-brand);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-standard);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.password-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

.password-submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.password-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.password-error {
    color: var(--error);
    padding: 1rem;
    background: rgba(255, 95, 95, 0.1);
    border-radius: 8px;
    border: 1px solid var(--error);
    font-size: 0.95rem;
    text-align: center;
}

/* Statistics Section */
.statistics-section {
    margin-bottom: var(--spacing-3xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-header);
}

.stat-card {
    background: var(--bg-surface-1);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: var(--spacing-xl);
    transition: var(--transition-standard);
}

.stat-card:hover {
    background: var(--bg-surface-2);
    border-color: var(--border-strong);
}

.stat-card-primary {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, var(--bg-surface-1) 0%, rgba(0, 229, 255, 0.05) 100%);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.stat-card-primary .stat-value {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-bar {
    height: 6px;
    background: var(--bg-surface-3);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.stat-bar-fill {
    height: 100%;
    background: var(--gradient-brand);
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    width: 0%;
}

.stat-card-primary .stat-bar-fill {
    background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
}

.stat-sublabel {
    font-size: 11px;
    color: var(--text-muted);
}

/* Responsive: Stack on mobile */
@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}