/*
 * Workout Log - Premium Dark Design System
 * Inspired by the refined aesthetics of Oura Ring
 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');

/* CSS Custom Properties - Dark Theme */
:root {
    /* Core palette - Oura-inspired deep dark */
    --color-bg: #0a0a0a;
    --color-bg-subtle: #141414;
    --color-surface: #1a1a1a;
    --color-surface-elevated: #222222;

    /* Text hierarchy - cool gray tones */
    --color-text-primary: #f5f5f5;
    --color-text-secondary: #a8a8a8;
    --color-text-tertiary: #787878;
    --color-text-muted: #5a5a5a;

    /* Brand colors - teal accent (Oura-inspired) */
    --color-primary: #4fd1c5;
    --color-primary-hover: #38b2ac;
    --color-primary-light: rgba(79, 209, 197, 0.15);
    --color-primary-subtle: rgba(79, 209, 197, 0.08);

    /* Semantic colors - muted for dark mode */
    --color-success: #48bb78;
    --color-success-bg: rgba(72, 187, 120, 0.12);
    --color-success-border: rgba(72, 187, 120, 0.3);

    --color-warning: #d69e2e;
    --color-warning-bg: rgba(214, 158, 46, 0.12);
    --color-warning-border: rgba(214, 158, 46, 0.3);

    --color-error: #fc8181;
    --color-error-bg: rgba(252, 129, 129, 0.12);

    /* Borders and lines */
    --color-border: #2d2d2d;
    --color-border-light: #252525;
    --color-border-focus: var(--color-primary);

    /* Shadows - subtle glow for dark mode */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-elevated: 0 2px 8px rgba(0, 0, 0, 0.4), 0 0 1px rgba(255, 255, 255, 0.05);
    --shadow-glow: 0 0 20px rgba(79, 209, 197, 0.15);

    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

    /* Typography - Oura style */
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;

    /* Border radius - softer, more rounded */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    min-height: 100vh;
}

/* Clean background - Oura style */

/* Container */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-6);
}

/* Typography - Oura-inspired elegant headers */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

h1 {
    font-size: 2.25rem;
    line-height: 1.15;
}

h2 {
    font-size: 1.5rem;
    line-height: 1.25;
}

h3 {
    font-size: 1.25rem;
    font-weight: 500;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

header h1 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

header .btn-secondary + h1 {
    margin-top: var(--space-3);
}

/* Buttons - Oura-inspired rounded, elegant */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--color-primary);
    color: #0a0a0a;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary {
    background: var(--color-surface-elevated);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

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

.btn-success {
    background: var(--color-success);
    color: #0a0a0a;
    font-weight: 600;
}

.btn-success:hover {
    background: #38a169;
    transform: translateY(-1px);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 13px;
}

/* Admin Navigation Tabs */
.admin-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-4);
}

.admin-tab {
    padding: var(--space-3) var(--space-6);
    text-decoration: none;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.admin-tab:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-subtle);
}

.admin-tab.active {
    color: var(--color-primary);
    background: var(--color-primary-subtle);
}

/* Login Page - Oura style */
.login-container {
    max-width: 420px;
    margin: 100px auto;
    padding: 0 var(--space-4);
}

.login-container h1 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--space-2);
}

.login-container::before {
    content: 'Workout Log';
    display: block;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.login-form {
    background: var(--color-surface);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:hover {
    border-color: var(--color-text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(79, 209, 197, 0.2);
}

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

.login-form .btn {
    width: 100%;
    padding: var(--space-4);
    margin-top: var(--space-2);
}

.error {
    background: var(--color-error-bg);
    color: var(--color-error);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
    font-size: 14px;
    font-weight: 500;
}

/* Calendar */
.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.calendar-nav h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-2);
    background: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--color-border);
}

.calendar-header {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: var(--space-3);
    background: transparent;
    border-radius: 0;
}

.calendar-day {
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--space-3);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    background: var(--color-bg-subtle);
    position: relative;
    min-height: 72px;
}

.calendar-day:hover {
    background: var(--color-surface);
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.calendar-day.empty {
    background: transparent;
    border: none;
    cursor: default;
    pointer-events: none;
}

.calendar-day.completed {
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
}

.calendar-day.completed:hover {
    background: rgba(72, 187, 120, 0.18);
}

.calendar-day.completed::after {
    content: '';
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: var(--radius-full);
}

.calendar-day.today {
    border: 2px solid var(--color-primary);
    background: var(--color-primary-subtle);
}

.calendar-day.today:hover {
    background: var(--color-primary-light);
}

.calendar-day.deload {
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
}

.day-number {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1;
}

.workout-name {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: auto;
    line-height: 1.3;
}

/* Week View */
.week-view {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.week-grid {
    display: flex;
    flex-direction: column;
}

.week-day {
    display: flex;
    flex-direction: column;
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.week-day:last-child {
    border-bottom: none;
}

.week-day:hover {
    background: var(--color-bg-subtle);
}

.week-day.today {
    background: var(--color-primary-subtle);
    border-left: 3px solid var(--color-primary);
}

.week-day.today:hover {
    background: var(--color-primary-light);
}

.week-day.completed {
    background: var(--color-success-bg);
}

.week-day.completed:hover {
    background: rgba(72, 187, 120, 0.18);
}

.week-day.deload {
    background: var(--color-warning-bg);
}

.week-day-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.week-day-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    min-width: 36px;
}

.week-day-date {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.week-day-workout {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.week-day-status {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-success);
    margin-top: var(--space-2);
}

.header-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

/* Menu Dropdown */
.menu-dropdown {
    position: relative;
}

.menu-btn {
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.menu-content {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + var(--space-2));
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
    min-width: 180px;
    z-index: 100;
    overflow: hidden;
}

.menu-content.show {
    display: block;
    animation: fadeIn var(--transition-fast);
}

.menu-content a {
    display: block;
    padding: var(--space-4) var(--space-5);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.menu-content a:hover {
    background: var(--color-bg-subtle);
    color: var(--color-text-primary);
}

.menu-divider {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--space-2) 0;
}

/* Workout Page */
.workout-date {
    color: var(--color-text-tertiary);
    font-size: 14px;
    font-weight: 500;
    margin-top: var(--space-1);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.deload-badge {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

.completed-badge {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

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

/* View mode for completed workouts */
.set-value {
    min-width: 88px;
    padding: var(--space-2) var(--space-3);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    text-align: center;
}

.block-notes-display {
    background: var(--color-bg-subtle);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-secondary);
    white-space: pre-wrap;
}

.workout-block {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    margin-bottom: var(--space-4);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.block-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-6);
    margin: 0;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
    user-select: none;
}

.block-title:hover {
    background: var(--color-bg-subtle);
}

.block-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.block-exercise-count {
    margin-left: auto;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.block-content {
    padding: 0 var(--space-6) var(--space-6);
    border-top: 1px solid var(--color-border-light);
}

.workout-block.collapsed .block-content {
    display: none;
}

.workout-block.collapsed .block-title {
    border-bottom: none;
}

.exercise {
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.exercise:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.exercise:first-child {
    padding-top: 0;
}

.exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.exercise-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.exercise-details {
    display: flex;
    gap: var(--space-5);
    flex-wrap: wrap;
    margin-bottom: var(--space-3);
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.exercise-details span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.exercise-details strong {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.exercise-notes {
    background: var(--color-bg-subtle);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    border-left: 3px solid var(--color-primary-light);
    font-style: normal;
}

.sets-log {
    margin-top: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.set-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.set-row:hover {
    background: var(--color-border-light);
}

.set-label {
    min-width: 52px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.input-sm {
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    width: 88px;
    transition: all var(--transition-fast);
}

.input-sm:hover {
    border-color: var(--color-text-muted);
}

.input-sm:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(79, 209, 197, 0.2);
}

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

/* Block Notes */
.block-notes-section {
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border-light);
}

.block-notes-section label {
    display: block;
    margin-bottom: var(--space-3);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.block-notes-textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--space-4);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-subtle);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    resize: vertical;
    transition: all var(--transition-fast);
}

.block-notes-textarea:hover {
    background: var(--color-border-light);
}

.block-notes-textarea:focus {
    outline: none;
    background: var(--color-surface-elevated);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(79, 209, 197, 0.2);
}

.block-notes-textarea::placeholder {
    color: var(--color-text-muted);
}

/* Workout Actions - Oura style */
.workout-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-6);
    padding: var(--space-3);
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    position: sticky;
    bottom: var(--space-3);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.workout-actions .btn {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    font-size: 13px;
}

/* Modal - Oura style */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn var(--transition-fast);
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content {
    background: var(--color-surface);
    margin: 8vh auto;
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 720px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp var(--transition-slow);
    border: 1px solid var(--color-border);
}

.modal-content h2 {
    margin-bottom: var(--space-6);
}

.close {
    color: var(--color-text-muted);
    float: right;
    font-size: 24px;
    font-weight: 400;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

/* History Table */
.history-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: var(--space-4);
}

.history-table th,
.history-table td {
    padding: var(--space-4);
    text-align: left;
}

.history-table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
}

.history-table th:first-child {
    border-radius: var(--radius-md) 0 0 0;
}

.history-table th:last-child {
    border-radius: 0 var(--radius-md) 0 0;
}

.history-table td {
    font-size: 14px;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border-light);
}

.history-table tbody tr {
    transition: background var(--transition-fast);
}

.history-table tbody tr:hover {
    background: var(--color-bg-subtle);
}

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

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Selection - Oura style */
::selection {
    background: rgba(79, 209, 197, 0.3);
    color: var(--color-text-primary);
}

/* Mobile Responsive - Tablets and below */
@media (max-width: 768px) {
    :root {
        --space-6: 20px;
        --space-8: 28px;
    }

    .container {
        padding: var(--space-4);
        padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0));
    }

    h1 {
        font-size: 1.375rem;
    }

    /* Header improvements */
    header {
        flex-wrap: wrap;
        gap: var(--space-3);
        margin-bottom: var(--space-6);
        padding-bottom: var(--space-4);
    }

    /* Calendar nav */
    .calendar-nav {
        margin-bottom: var(--space-4);
    }

    .calendar-nav h2 {
        font-size: 1rem;
    }

    .calendar-grid {
        gap: 4px;
        padding: var(--space-3);
        border-radius: var(--radius-lg);
    }

    .calendar-header {
        padding: var(--space-2);
        font-size: 10px;
    }

    .calendar-day {
        padding: var(--space-2);
        border-radius: var(--radius-sm);
        min-height: 44px;
        justify-content: center;
        align-items: center;
    }

    .calendar-day:hover {
        transform: none;
    }

    .day-number {
        font-size: 1rem;
        font-weight: 600;
    }

    /* Hide workout name on mobile - just show dates */
    .workout-name {
        display: none;
    }

    /* Week view mobile */
    .week-day {
        padding: var(--space-4);
    }

    .week-day-header {
        flex-wrap: wrap;
    }

    .header-actions {
        gap: var(--space-2);
    }

    /* Workout blocks */
    .workout-block {
        border-radius: var(--radius-lg);
    }

    .block-title {
        padding: var(--space-4) var(--space-4);
    }

    .block-content {
        padding: 0 var(--space-4) var(--space-4);
    }

    .exercise-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .exercise-details {
        gap: var(--space-3);
    }

    .set-row {
        flex-wrap: wrap;
        padding: var(--space-3);
    }

    .set-label {
        width: 100%;
        margin-bottom: var(--space-1);
    }

    .input-sm {
        flex: 1;
        min-width: 0;
        padding: var(--space-3);
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    .block-notes-textarea {
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Sticky actions */
    .workout-actions {
        bottom: 0;
        left: 0;
        right: 0;
        margin: var(--space-4) calc(var(--space-4) * -1) 0;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        padding: var(--space-3);
        padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0));
    }

    .workout-actions .btn {
        min-height: 44px;
        font-size: 12px;
        padding: var(--space-2) var(--space-3);
    }

    /* Modal */
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: var(--space-5);
        border-radius: var(--radius-lg);
    }

    /* History table - horizontal scroll */
    .history-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .history-table th,
    .history-table td {
        padding: var(--space-3);
        white-space: nowrap;
    }

    /* Login */
    .login-container {
        margin: var(--space-10) var(--space-4);
    }

    .login-form {
        padding: var(--space-6);
    }

    .form-group input {
        font-size: 16px; /* Prevents iOS zoom on focus */
        padding: var(--space-4);
    }

    .login-form .btn {
        min-height: 48px;
    }
}

/* Small phones */
@media (max-width: 390px) {
    .container {
        padding: var(--space-2);
    }

    h1 {
        font-size: 1.25rem;
    }

    .calendar-nav {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .calendar-nav h2 {
        order: -1;
        width: 100%;
        text-align: center;
        margin-bottom: var(--space-2);
    }

    .calendar-nav .btn {
        flex: 1;
    }

    .calendar-grid {
        gap: 2px;
        padding: var(--space-2);
    }

    .calendar-header {
        padding: var(--space-1);
        font-size: 9px;
        letter-spacing: 0;
    }

    .calendar-day {
        padding: 4px;
        min-height: 40px;
        border-radius: 4px;
    }

    .day-number {
        font-size: 0.9375rem;
    }

    .calendar-day.completed::after {
        width: 5px;
        height: 5px;
        top: 3px;
        right: 3px;
    }

    .workout-block {
        padding: var(--space-3);
    }

    .block-title {
        font-size: 1rem;
    }

    .exercise-name {
        font-size: 14px;
    }

    .exercise-details {
        font-size: 12px;
    }

    .workout-actions {
        margin-left: calc(var(--space-2) * -1);
        margin-right: calc(var(--space-2) * -1);
        padding: var(--space-2);
        padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom, 0));
        gap: var(--space-2);
    }

    .workout-actions .btn {
        font-size: 11px;
        min-height: 40px;
    }

    .btn {
        padding: var(--space-2) var(--space-3);
    }

    .btn-sm {
        padding: var(--space-2);
        font-size: 11px;
    }

    .login-container {
        margin: var(--space-8) var(--space-3);
    }

    .login-container::before {
        width: 40px;
        height: 40px;
    }

    .login-form {
        padding: var(--space-5);
    }
}

/* Extra small phones (iPhone SE, etc) */
@media (max-width: 360px) {
    .container {
        padding: var(--space-1);
    }

    .calendar-grid {
        gap: 2px;
        padding: var(--space-1);
    }

    .calendar-header {
        font-size: 8px;
    }

    .calendar-day {
        padding: 3px;
        min-height: 36px;
    }

    .day-number {
        font-size: 0.875rem;
    }
}

/* Focus-visible for keyboard navigation - Oura style */
:focus-visible {
    outline: 2px solid rgba(79, 209, 197, 0.6);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===========================
   Admin Workout Management
   =========================== */

/* Workout List Page */
.workout-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.workout-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
    overflow: hidden;
    transition: all var(--transition-fast);
}

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

.workout-card-header {
    padding: var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-6);
}

.day-badge {
    display: inline-block;
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.workout-card h2 {
    margin-bottom: var(--space-2);
}

.workout-description {
    color: var(--color-text-tertiary);
    font-size: 14px;
    line-height: 1.5;
}

.workout-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-2);
    text-align: right;
}

.meta-item {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.workout-card-actions {
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    gap: var(--space-3);
}

/* Edit Workout Page */
.edit-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin-bottom: calc(80px + var(--space-6)); /* Space for sticky action bar */
}

.editable-block {
    position: relative;
}

.block-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.drag-handle {
    cursor: move;
    color: var(--color-text-muted);
    font-size: 18px;
    padding: var(--space-2);
    user-select: none;
}

.drag-handle-small {
    cursor: move;
    color: var(--color-text-muted);
    font-size: 14px;
    user-select: none;
}

.block-name-input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    background: var(--color-bg-subtle);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.block-name-input:hover {
    background: var(--color-border-light);
}

.block-name-input:focus {
    outline: none;
    background: var(--color-surface-elevated);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(79, 209, 197, 0.2);
}

.exercises-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.editable-exercise {
    padding: var(--space-5);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.editable-exercise:hover {
    border-color: var(--color-border);
    background: var(--color-surface);
}

.exercise-name-input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.exercise-name-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(79, 209, 197, 0.2);
}

.exercise-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-3);
    margin: var(--space-4) 0;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-full {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.input-full:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(79, 209, 197, 0.2);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

/* Diff View Styles */
.modal-large {
    max-width: 920px;
}

.modal-subtitle {
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
    font-size: 14px;
}

.diff-section {
    margin-bottom: var(--space-6);
}

.diff-section h3 {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
    font-size: 1rem;
}

.diff-item {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    border-left: 3px solid transparent;
}

.diff-item.added {
    background: var(--color-success-bg);
    border-left-color: var(--color-success);
}

.diff-item.modified {
    background: var(--color-warning-bg);
    border-left-color: var(--color-warning);
}

.diff-item.deleted {
    background: var(--color-error-bg);
    border-left-color: var(--color-error);
    text-decoration: line-through;
}

.diff-item strong {
    display: block;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.diff-item p {
    color: var(--color-text-secondary);
    font-size: 13px;
    margin: var(--space-1) 0;
}

.diff-field {
    display: flex;
    gap: var(--space-3);
    margin: var(--space-2) 0;
    font-size: 13px;
    align-items: center;
    flex-wrap: wrap;
}

.diff-field-label {
    font-weight: 600;
    color: var(--color-text-secondary);
    min-width: 100px;
}

.diff-old-value {
    color: var(--color-error);
    text-decoration: line-through;
}

.diff-new-value {
    color: var(--color-success);
    font-weight: 500;
}

.modal-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border-light);
}

/* Mobile Responsive for Admin Pages */
@media (max-width: 768px) {
    .workout-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .workout-meta {
        align-items: flex-start;
        text-align: left;
    }

    .block-header {
        flex-wrap: wrap;
    }

    .exercise-fields {
        grid-template-columns: 1fr 1fr;
    }

    .modal-large {
        max-width: 95%;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions .btn {
        width: 100%;
    }
}