/* Gym Tracker - Dark Theme Complete Styling */

:root {
    /* Dark Theme Colors */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1e1e3f;
    --bg-hover: #252547;

    /* Accent Colors */
    --accent-primary: #6c63ff;
    --accent-secondary: #5a52d5;
    --accent-success: #00d9a3;
    --accent-warning: #ffa500;
    --accent-error: #ff5252;
    --accent-info: #00b4d8;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --text-muted: #8888a8;
    --text-disabled: #555570;

    /* Border Colors */
    --border-color: #2d2d44;
    --border-light: #3a3a52;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6c63ff 0%, #5a52d5 100%);
    --gradient-success: linear-gradient(135deg, #00d9a3 0%, #00b386 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body.gym-tracker {
    background: var(--bg-primary);
    color: white;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    padding-top: 3.25rem; /* Account for fixed header */
    min-height: 100vh;
    overflow-x: hidden;
}

body.gym-tracker h1,
body.gym-tracker h2,
body.gym-tracker h3,
body.gym-tracker h4,
body.gym-tracker h5,
body.gym-tracker h6,
body.gym-tracker p,
body.gym-tracker span,
body.gym-tracker div,
body.gym-tracker label {
    color: white;
}

/* App Container */
.app-container {
    display: flex;
    min-height: calc(100vh - 3.25rem); /* Full height minus header */
    padding-bottom: 70px; /* Space for bottom nav on mobile */
}

@media (min-width: 768px) {
    .app-container {
        padding-bottom: 0;
        padding-left: 250px; /* Space for side nav on desktop */
    }
}

/* Footer adjustments */
body.gym-tracker #footer {
    margin-bottom: 70px; /* Space for bottom nav on mobile */
}

@media (min-width: 768px) {
    body.gym-tracker #footer {
        padding-left: 250px; /* Match sidebar width on desktop */
        margin-bottom: 0; /* Remove bottom spacing on desktop */
    }
}

/* Navigation Styles */

/* Bottom Navigation (Mobile) */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0 0.75rem 0;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem 0.25rem 0.75rem;
    background: none;
    border: none;
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    transition: color var(--transition-base);
    flex: 1;
    max-width: 80px;
}

.bottom-nav .nav-item span {
    line-height: 1.2;
    white-space: nowrap;
    color: white;
}

.bottom-nav .nav-item i {
    font-size: 1.25rem;
    color: white;
}

.bottom-nav .nav-item.active {
    color: white !important;
    border-top: 3px solid var(--accent-error) !important;
    padding-top: calc(0.5rem - 3px);
}

.bottom-nav .nav-item.active i,
.bottom-nav .nav-item.active span {
    color: white !important;
}

.bottom-nav .nav-item.workout-btn {
    color: white;
}

@media (min-width: 768px) {
    .bottom-nav {
        display: none;
    }
}

/* Side Navigation (Desktop) */
.side-nav {
    display: none;
}

@media (min-width: 768px) {
    .side-nav {
        display: flex;
        flex-direction: column;
        position: fixed;
        left: 0;
        top: 3.25rem; /* Start below header */
        bottom: 0;
        width: 250px;
        background: var(--bg-secondary);
        border-right: 1px solid var(--border-color);
        z-index: 1000;
    }

    .side-nav .nav-header {
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
    }

    .side-nav .nav-header h2 {
        margin: 0;
        font-size: 1.5rem;
        background: var(--gradient-primary);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .side-nav .nav-links {
        flex: 1;
        padding: var(--spacing-md);
        overflow-y: auto;
    }

    .side-nav .nav-link {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
        background: none;
        border: none;
        border-radius: var(--radius-md);
        color: white;
        font-size: 0.95rem;
        cursor: pointer;
        transition: all var(--transition-base);
        width: 100%;
        text-align: left;
    }

    .side-nav .nav-link i {
        font-size: 1.25rem;
        width: 24px;
        color: white;
    }

    .side-nav .nav-link span {
        color: white;
    }

    .side-nav .nav-link:hover {
        background: var(--bg-hover);
        color: white;
    }

    .side-nav .nav-link:hover span,
    .side-nav .nav-link:hover i {
        color: white;
    }

    .side-nav .nav-link.active {
        background: var(--accent-primary);
        color: white;
    }

    .side-nav .nav-link.active span,
    .side-nav .nav-link.active i {
        color: white;
    }
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-lg);
    padding-bottom: 90px; /* Extra space for bottom nav on mobile */
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .main-content {
        padding: var(--spacing-xl);
        padding-bottom: var(--spacing-xl); /* Reset on desktop */
    }
}

/* Views */
.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-header {
    margin-bottom: var(--spacing-xl);
}

.view-header h1 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 2rem;
    font-weight: 700;
}

.view-header .subtitle {
    color: var(--text-primary);
    margin: 0;
    font-size: 1rem;
}

.view-header .view-actions {
    margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
    .view-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }

    .view-header h1 {
        font-size: 2.5rem;
    }

    .view-header .view-actions {
        margin-top: 0;
    }

    .view-header .btn {
        margin-top: 0;
        align-self: center;
    }
}

/* Stats Grid */
.stats-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-base);
    border: 1px solid var(--border-color);
    min-width: 200px;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-content {
    width: 100%;
}

.stat-label {
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-value .unit {
    font-size: 1rem;
    color: var(--text-primary);
    margin-left: 0.25rem;
}

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

.section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-card);
    color: white !important;
    border: 1px solid var(--border-color);
}

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

.btn-danger {
    background: var(--accent-error);
    color: white !important;
}

.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-text {
    background: none;
    border: none;
    color: white !important;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.5rem;
    transition: color var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-text:hover {
    color: rgba(255, 255, 255, 0.8) !important;
    text-decoration: underline;
}

.btn-icon {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
    flex-shrink: 0;
}

.btn-icon:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

/* Make all trash/delete icons red */
.fa-trash {
    color: var(--accent-error) !important;
}

/* White trash icon during workout */
.btn-set-delete .fa-trash,
#active-workout .fa-trash {
    color: white !important;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1.25rem 2rem;
    font-size: 1.125rem;
    width: 100%;
}

/* Cards */
.program-card,
.workout-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.program-card:hover,
.workout-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.program-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.program-actions .btn {
    flex: 1;
    min-width: 100px;
}

@media (min-width: 768px) {
    .program-actions {
        gap: var(--spacing-md);
    }

    .program-actions .btn {
        flex: 0 1 auto;
        min-width: 120px;
    }
}

.program-header,
.workout-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.workout-header-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.delete-workout-btn {
    opacity: 0.8;
    transition: all 0.2s ease;
    color: var(--accent-error);
}

.delete-workout-btn:hover {
    opacity: 1;
    color: var(--accent-error);
}

.program-header h3,
.workout-card-header h3,
.workout-card-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.program-stats,
.workout-card-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.program-stats .stat,
.workout-card-stats .stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.stat .label {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: block;
    text-align: center;
}

.stat .sublabel {
    font-size: 0.75rem;
    color: var(--text-primary);
    display: block;
    text-align: center;
}

.badge {
    padding: 0.25rem 0.75rem;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-custom {
    background: var(--accent-warning);
    color: var(--bg-primary);
    margin-left: 0.5rem;
}

.workout-card-header .date {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.workout-notes {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Lists */
.workout-list,
.achievement-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-primary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

/* Programs Grid */
.programs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .programs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.modal-content.large {
    max-width: 900px;
}

.modal-content.small {
    max-width: 400px;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: white;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

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

.modal-body {
    padding: var(--spacing-lg);
    color: white;
}

.modal-body strong,
.modal-body p,
.modal-body span {
    color: white;
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-actions,
.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.form-actions .btn,
.modal-footer .btn {
    min-width: 140px;
    padding: 1rem 2rem;
    font-size: 1rem;
}

.modal-footer {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Mobile modal improvements */
@media (max-width: 767px) {
    .modal {
        padding: var(--spacing-sm);
        align-items: flex-end;
    }

    .modal-content {
        max-width: 100%;
        max-height: 85vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }

    .modal-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .form-actions,
    .modal-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .form-actions .btn,
    .modal-footer .btn {
        width: 100%;
        min-width: unset;
        padding: 1rem;
        font-size: 1.05rem;
    }
}

#confirm-modal-message {
    color: white;
    line-height: 1.6;
    margin: 0;
}

.toggle {
    width: 56px;
    height: 30px;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background: #4a4a5e !important;
    border: 2px solid #666 !important;
    border-radius: 15px !important;
    position: relative !important;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    display: inline-block !important;
    vertical-align: middle;
    outline: none;
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 1;
}

.toggle::before {
    content: '' !important;
    position: absolute !important;
    width: 22px !important;
    height: 22px !important;
    border-radius: 50% !important;
    background: white !important;
    left: 3px !important;
    top: 2px !important;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.toggle:checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.toggle:checked::before {
    left: 28px;
    background: white;
}

/* Workout View Specific */
.workout-screen {
    display: none;
}

.workout-screen.active {
    display: block;
}

.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.workout-info h2 {
    margin: 0;
    font-size: 1.25rem;
}

.workout-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.workout-content {
    padding-bottom: 90px; /* Extra space for bottom nav on mobile */
}

@media (min-width: 768px) {
    .workout-content {
        padding-bottom: var(--spacing-xl);
    }
}

.workout-day-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .workout-day-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.workout-day-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
    width: 100%;
}

.workout-day-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.workout-day-card h3 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--accent-primary);
}

.workout-day-card p {
    margin: 0.5rem 0;
    color: var(--text-primary);
}

/* Exercise Entry Card (Mobile-Optimized) */
.exercise-entry {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

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

.exercise-entry-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.previous-data {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.previous-sets-label {
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.previous-sets-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.previous-set-badge {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.35rem 0.5rem;
    transition: all var(--transition-base);
    cursor: pointer;
    user-select: none;
}

.previous-set-badge:hover {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(108, 99, 255, 0.2);
}

.previous-set-badge:active {
    transform: translateY(0);
}

.previous-set-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 700;
    flex-shrink: 0;
}

.previous-set-value {
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

.set-inputs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    align-items: stretch;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.input-label {
    font-size: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
    padding-left: 0.25rem;
}

.set-inputs input {
    flex: 1;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: center;
}

.set-inputs button {
    padding: 0.75rem 1rem;
    background: var(--accent-success);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    white-space: nowrap;
}

.set-inputs button:hover {
    background: var(--accent-success);
    filter: brightness(1.1);
    transform: translateY(-1px);
}

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

/* Duration inputs */
.duration-input {
    flex: 2;
}

.duration-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem;
}

.duration-min,
.duration-sec {
    flex: 1;
    padding: 0.5rem !important;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    color: white !important;
    font-size: 1.1rem !important;
    text-align: center !important;
    font-weight: 600;
    min-width: 0;
}

.duration-separator {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    padding: 0 0.25rem;
}

.duration-edit-min,
.duration-edit-sec {
    width: 60px !important;
    padding: 0.5rem !important;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    color: white !important;
    font-size: 1rem !important;
    text-align: center !important;
    font-weight: 600;
}

/* Mobile optimization for set inputs */
@media (max-width: 767px) {
    .set-inputs {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .input-group {
        min-width: 0;
        flex: 1 1 calc(50% - var(--spacing-sm) / 2);
    }

    .duration-input {
        flex: 1 1 100%;
    }

    .set-inputs button {
        flex: 1 1 100%;
        width: 100%;
        padding: 0.875rem;
    }
}

.completed-sets {
    margin-top: var(--spacing-md);
}

.completed-set {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-sm);
}

.completed-set.improved {
    border-left: 3px solid var(--accent-success);
}

.set-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.set-number {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.set-details {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.duration-value {
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 1rem;
}

.duration-label {
    font-size: 0.8rem;
    color: #aaa;
    margin-left: 0.25rem;
}

.set-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

.btn-set-action {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
    border: none;
    font-size: 0.9rem;
}

.btn-set-action i {
    color: white;
}

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

/* Edit button - Blue/Purple */
.btn-set-action:not(.btn-set-delete):not(.btn-set-save):not(.btn-set-cancel) {
    background: var(--accent-primary);
    color: white;
}

.btn-set-action:not(.btn-set-delete):not(.btn-set-save):not(.btn-set-cancel):hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(108, 99, 255, 0.3);
}

/* Delete button - Red */
.btn-set-delete {
    background: var(--accent-error);
    color: white;
}

.btn-set-delete:hover {
    background: #ff3838;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 82, 82, 0.3);
}

/* Save button - Green */
.btn-set-save {
    background: var(--accent-success);
    color: white;
}

.btn-set-save:hover {
    background: #00c48c;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 217, 163, 0.3);
}

/* Cancel button - Gray */
.btn-set-cancel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

/* Set editing form */
.set-edit-form {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.set-edit-input {
    width: 70px;
    padding: 0.5rem;
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    text-align: center;
    font-weight: 500;
}

.set-edit-input:focus {
    outline: none;
    border-color: var(--accent-secondary);
    background: var(--bg-hover);
}

.set-edit-x {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

.set-edit-unit {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Mobile optimization for completed sets */
@media (max-width: 767px) {
    .completed-set {
        padding: var(--spacing-md);
    }

    .set-info {
        min-width: 0;
    }

    .btn-set-action {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .set-edit-input {
        width: 65px;
        padding: 0.6rem 0.4rem;
    }
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 80px;
    right: 20px;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 10100;
    opacity: 0;
    transform: translateX(400px);
    transition: all var(--transition-slow);
    border-left: 4px solid var(--accent-primary);
    max-width: 400px;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.toast-success {
    border-left-color: var(--accent-success);
}

.toast.toast-error {
    border-left-color: var(--accent-error);
}

.toast.toast-warning {
    border-left-color: var(--accent-warning);
}

/* History Grid */
.history-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .history-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.history-filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.history-filters input,
.history-filters select {
    flex: 1;
    min-width: 150px;
    padding: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

/* Exercise Database */
.exercise-search-bar,
.exercise-picker-search {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.search-input-wrapper {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    font-size: 1rem;
    pointer-events: none;
    z-index: 1;
}

.exercise-search-bar input,
.exercise-picker-search input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.exercise-search-bar input:focus,
.exercise-picker-search input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.exercise-search-bar input:focus ~ .search-icon,
.exercise-picker-search input:focus ~ .search-icon {
    color: var(--accent-primary);
}

.exercise-search-bar input::placeholder,
.exercise-picker-search input::placeholder {
    color: #888;
}

.exercise-search-bar select,
.exercise-picker-search select {
    flex: 1;
    min-width: 150px;
    padding: 0.875rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: white;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.exercise-search-bar select:hover,
.exercise-picker-search select:hover {
    border-color: var(--accent-primary);
}

.exercise-search-bar select:focus,
.exercise-picker-search select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.exercise-search-bar select option:disabled,
.exercise-picker-search select option:disabled {
    color: #444 !important;
    opacity: 0.3 !important;
    text-decoration: line-through;
    background: #1a1a1a !important;
    font-style: italic;
}

.exercise-filters {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .exercise-filters {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .exercise-search-bar .exercise-filters {
        grid-template-columns: repeat(3, 1fr);
    }
}

.exercise-db-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .exercise-db-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .exercise-db-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.exercise-db-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.exercise-db-card.has-history {
    cursor: pointer;
}

.exercise-db-card.has-history:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.exercise-db-card.no-history {
    cursor: default;
    opacity: 0.85;
}

.history-icon {
    color: var(--accent-success);
    margin-left: 0.5rem;
    font-size: 0.9rem;
}

.history-hint {
    color: var(--accent-primary);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

.exercise-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.exercise-db-card h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.1rem;
    flex: 1;
}

.delete-exercise-btn {
    opacity: 0.8;
    transition: all 0.2s ease;
    flex-shrink: 0;
    color: var(--accent-error);
}

.delete-exercise-btn:hover {
    opacity: 1;
    color: var(--accent-error);
}

.exercise-db-card .exercise-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.exercise-db-card .badge {
    padding: 0.25rem 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Exercise Picker */
.exercise-picker-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(74, 74, 94, 0.3) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.exercise-picker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.2s ease;
}

.exercise-picker-card:hover::before {
    opacity: 1;
}

.exercise-picker-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.2);
}

.exercise-picker-card:active {
    transform: translateY(-2px);
}

.exercise-picker-card h4 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: white;
    letter-spacing: 0.3px;
}

.exercise-picker-card .exercise-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: var(--spacing-sm) 0;
}

.exercise-picker-card .badge {
    padding: 0.375rem 0.75rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(168, 85, 247, 0.2));
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    color: var(--accent-primary);
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.3px;
}

.exercise-picker-card p {
    color: #bbb;
    margin: var(--spacing-sm) 0 0 0;
    font-size: 0.9rem;
    font-weight: 500;
}

.exercise-picker-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-height: 60vh;
    overflow-y: auto;
    padding: var(--spacing-xs);
}

.exercise-picker-list::-webkit-scrollbar {
    width: 8px;
}

.exercise-picker-list::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.exercise-picker-list::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

.exercise-picker-list::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

@media (min-width: 768px) {
    .exercise-picker-list {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .exercise-picker-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Workout Day Exercise Items */
.exercise-day-item {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

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

.exercise-day-header h5 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
    flex: 1;
}

.exercise-reorder-controls {
    display: flex;
    gap: 0.25rem;
}

.btn-reorder {
    padding: 0.25rem;
    font-size: 0.85rem;
    opacity: 0.7;
}

.btn-reorder:hover:not(:disabled) {
    opacity: 1;
    color: var(--accent-primary);
}

.btn-reorder:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.exercise-day-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.small-input {
    width: 60px;
    padding: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-align: center;
}

.workout-day-item {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.workout-day-item h4 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--accent-primary);
}

.workout-day-item p {
    margin: 0.25rem 0;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.workout-day-item .btn {
    margin-top: var(--spacing-sm);
    margin-right: var(--spacing-xs);
}

/* Calendar */
.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.calendar-controls h2 {
    margin: 0;
    font-size: 1.5rem;
}

.calendar-legend {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.legend-dot {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
}

.legend-dot.workout {
    background: var(--accent-primary);
}

.legend-dot.gains {
    background: var(--accent-success);
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
}

.calendar-day-header {
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.calendar-day:hover {
    border-color: var(--accent-primary);
}

.calendar-day.today {
    border-color: var(--accent-primary);
}

.calendar-day.workout {
    background: var(--accent-primary);
    color: white;
}

.calendar-day.gains {
    background: var(--accent-success);
    color: white;
}

.calendar-day.empty {
    opacity: 0.3;
    cursor: default;
}

/* Achievements */
.achievement-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .achievements-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.achievement-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
}

.achievement-card.unlocked {
    border-color: var(--accent-success);
}

.achievement-card .achievement-icon {
    font-size: 2.5rem;
    filter: grayscale(100%);
    opacity: 0.5;
}

.achievement-card.unlocked .achievement-icon {
    filter: grayscale(0%);
    opacity: 1;
}

.achievement-card .achievement-info {
    flex: 1;
}

.achievement-card .achievement-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1rem;
}

.achievement-card .achievement-info p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.achievement-progress {
    margin-top: var(--spacing-sm);
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.achievement-progress-bar {
    height: 100%;
    background: var(--gradient-success);
    transition: width var(--transition-slow);
}

/* Settings */
.settings-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.settings-section:last-child {
    border-bottom: none;
}

.settings-section h2 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
}

.setting-item {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    min-height: 60px;
}

.setting-item label {
    flex: 1;
    margin: 0;
    color: white;
    font-size: 1rem;
}

.setting-item input[type="checkbox"],
.setting-item .toggle {
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.setting-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .setting-actions {
        flex-direction: row;
    }
}

/* More Menu (Mobile) */
.more-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.more-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
    text-decoration: none;
}

.more-item:hover {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.more-item i:first-child {
    font-size: 1.25rem;
    width: 24px;
    color: var(--accent-primary);
}

.more-item span {
    flex: 1;
    font-size: 1rem;
}

.more-item i:last-child {
    color: var(--text-primary);
}

/* Utility Classes */
.text-success {
    color: var(--accent-success);
}

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

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

.text-warning {
    color: var(--accent-warning);
    font-size: 0.9rem;
    margin: var(--spacing-sm) 0;
}

/* Program Selection Grid */
.program-selection-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

@media (min-width: 768px) {
    .program-selection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .program-selection-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Quick Programs on Home */
.program-summary {
    text-align: center;
}

.program-summary h3 {
    color: var(--text-primary);
    font-weight: 600;
}

.quick-programs {
    margin: var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quick-program-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.quick-program-item[onclick] {
    cursor: pointer;
}

.quick-program-item[onclick]:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
}

.quick-program-item .program-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
    align-items: flex-start;
}

.quick-program-item .fa-play-circle {
    color: var(--accent-primary);
    font-size: 1.5rem;
}

.quick-program-item .fa-edit {
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
}

.quick-program-item .fa-edit:hover {
    color: var(--accent-primary);
}

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

/* Exercise History Modal */
.exercise-stats-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .exercise-stats-summary {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-box {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.stat-value {
    display: block;
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.exercise-history-table {
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
}

.exercise-history-table table {
    width: 100%;
    border-collapse: collapse;
}

.exercise-history-table th {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
}

.exercise-history-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.exercise-history-table tr:hover {
    background: var(--bg-hover);
}

/* Responsive Typography */
@media (max-width: 767px) {
    .view-header h1 {
        font-size: 1.75rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .section h2 {
        font-size: 1.25rem;
    }
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-hover);
}

/* Workout Card Additional Stats */
.workout-card-additional-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.additional-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.additional-stat i {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

/* Clickable Cards */
.workout-card.clickable {
    cursor: pointer;
}

.workout-card.clickable:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.workout-card.clickable:active {
    transform: translateY(0);
}

/* Workout Detail Modal */
.workout-detail-summary {
    margin-bottom: var(--spacing-lg);
}

.detail-date {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.detail-stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.detail-stat .label {
    font-size: 0.85rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

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

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

.detail-exercise {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.detail-exercise h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--accent-primary);
}

.sets-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.sets-table th {
    text-align: left;
    padding: var(--spacing-sm);
    color: var(--accent-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--accent-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.sets-table td {
    padding: var(--spacing-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

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

.sets-table tbody tr:hover {
    background: var(--bg-hover);
}

.workout-detail-notes {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    line-height: 1.6;
    white-space: pre-wrap;
}

/* Print Styles */
@media print {
    .bottom-nav,
    .side-nav,
    .btn,
    .modal {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }
}