/* ============================================
   CHRONO EPS PRO+ - Modern CSS
   Clean, Professional & Accessible Design
   ============================================ */

/* === CSS Variables === */
:root {
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-digits: 'JetBrains Mono', 'SF Mono', Monaco, monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Timer Sizes */
    --timer-circle-size: 280px;
    --custom-timer-circle-size: 320px;
    --timer-font-size-circle: clamp(2rem, 5vw, 3.2rem);
    --large-display-font-size: clamp(5rem, 18vw, 12rem);
    --progress-thickness: 6px;

    /* Light Theme Colors */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;

    --accent-primary: #3b82f6;
    --accent-primary-hover: #2563eb;
    --accent-primary-light: rgba(59, 130, 246, 0.1);

    --accent-success: #10b981;
    --accent-success-hover: #059669;
    --accent-success-light: rgba(16, 185, 129, 0.1);

    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --accent-danger-light: rgba(239, 68, 68, 0.1);

    --accent-purple: #8b5cf6;
    --accent-purple-light: rgba(139, 92, 246, 0.1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* RGB values for alpha usage */
    --primary-rgb: 59, 130, 246;
    --success-rgb: 16, 185, 129;
    --danger-rgb: 239, 68, 68;
    --purple-rgb: 139, 92, 246;
}

/* Dark Theme */
body.dark-mode {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;

    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;

    --border-color: #334155;
    --border-hover: #475569;

    --accent-primary: #60a5fa;
    --accent-primary-hover: #3b82f6;
    --accent-primary-light: rgba(96, 165, 250, 0.15);

    --accent-success: #34d399;
    --accent-success-hover: #10b981;
    --accent-success-light: rgba(52, 211, 153, 0.15);

    --accent-danger: #f87171;
    --accent-danger-light: rgba(248, 113, 113, 0.15);

    --accent-purple: #a78bfa;
    --accent-purple-light: rgba(167, 139, 250, 0.15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);

    --primary-rgb: 96, 165, 250;
    --success-rgb: 52, 211, 153;
    --danger-rgb: 248, 113, 113;
    --purple-rgb: 167, 139, 250;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

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

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

/* === Typography === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
}

/* === Forms === */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
    font-size: inherit;
}

button:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

input,
select {
    font-family: inherit;
    font-size: 0.95rem;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-light);
}

input[type="number"] {
    text-align: center;
    -moz-appearance: textfield;
    appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

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

/* === Header === */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-icon {
    font-size: 1.75rem;
    color: var(--accent-primary);
}

.title-slogan-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.app-title {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.app-title strong {
    font-weight: 700;
    color: var(--accent-primary);
}

.app-slogan {
    font-size: 0.75rem;
    color: var(--text-muted);
    max-width: 280px;
    overflow: hidden;
    white-space: nowrap;
}

.app-slogan::after {
    content: '|';
    animation: blink 1s infinite;
    margin-left: 2px;
    color: var(--accent-primary);
}

.app-slogan.typing-done::after {
    opacity: 0;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Navigation */
.app-nav {
    display: flex;
    gap: var(--space-xs);
}

.nav-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-button:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.nav-button.active {
    color: white;
    background-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.nav-button i {
    font-size: 1rem;
}

/* Header Tools */
.header-tools {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.icon-button:hover {
    color: var(--accent-primary);
    background-color: var(--accent-primary-light);
}

/* Theme Toggle */
.theme-switcher {
    position: relative;
}

.theme-toggle-checkbox {
    opacity: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}

.theme-toggle-label {
    width: 56px;
    height: 28px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    cursor: pointer;
    transition: background-color var(--transition-base);
    border: 1px solid var(--border-color);
}

.theme-toggle-label .fa-moon {
    color: var(--accent-purple);
    font-size: 0.75rem;
}

.theme-toggle-label .fa-sun {
    color: var(--accent-warning);
    font-size: 0.75rem;
}

.theme-toggle-ball {
    position: absolute;
    width: 22px;
    height: 22px;
    background-color: var(--bg-secondary);
    border-radius: 50%;
    left: 3px;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.theme-toggle-checkbox:checked+.theme-toggle-label .theme-toggle-ball {
    transform: translateX(28px);
}

/* === Main Content === */
.app-main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-xl);
}

/* Timer Sections */
.timer-section {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    width: 100%;
    max-width: 1000px;
    padding: var(--space-xl);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.4s ease;
}

.timer-section.active-section {
    display: flex;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    width: 100%;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    color: var(--text-primary);
}

.title-icon {
    color: var(--accent-primary);
}

.info-button {
    position: absolute;
    right: 0;
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

.info-button:hover {
    color: var(--accent-primary);
}

/* Section Guide */
.section-guide {
    position: absolute;
    top: 60px;
    right: 0;
    width: 300px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    z-index: 50;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.section-guide.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.close-guide-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    color: var(--text-muted);
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

.close-guide-btn:hover {
    color: var(--accent-danger);
}

.guide-content h4 {
    font-size: 1.1rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.guide-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.guide-text .highlight {
    color: var(--accent-success);
    font-weight: 600;
}

/* === Landscape Layout === */
.section-content-landscape {
    display: flex;
    width: 100%;
    gap: var(--space-xl);
}

.landscape-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.landscape-column.timer-column {
    flex: 0.9;
}

.landscape-column.laps-column,
.landscape-column.setup-column {
    flex: 1.1;
}

/* === Timer Display === */
.timer-display-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.timer-display-container.with-progress {
    width: var(--timer-circle-size);
    height: var(--timer-circle-size);
}

#custom-section .timer-display-container.with-progress {
    width: var(--custom-timer-circle-size);
    height: var(--custom-timer-circle-size);
}

.time-display {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
    font-family: var(--font-digits);
}

.timer-display-container.with-progress .time-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.digit-group {
    display: flex;
    align-items: baseline;
}

.digit {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    min-width: 1.2ch;
    text-align: center;
    transition: color var(--transition-fast);
}

.timer-display-container.with-progress .digit {
    font-size: var(--timer-font-size-circle);
}

.unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 2px;
}

.timer-display-container.with-progress .unit {
    font-size: 0.8rem;
}

.ms-group {
    margin-left: var(--space-sm);
}

.ms {
    font-size: clamp(1.5rem, 4vw, 2.5rem) !important;
    font-weight: 400 !important;
    color: var(--text-muted) !important;
}

.timer-running .digit {
    color: var(--accent-primary);
}

/* Progress Ring */
.progress-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.progress-ring circle {
    fill: none;
    stroke-width: var(--progress-thickness);
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset var(--transition-base);
}

.progress-ring-bg {
    stroke: var(--border-color);
}

.progress-ring-circle {
    stroke: var(--accent-primary);
    stroke-linecap: round;
}

/* Countdown Overlay */
.countdown-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    font-size: 5rem;
    font-weight: 700;
    color: var(--accent-primary);
    border-radius: inherit;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.countdown-overlay.visible {
    opacity: 1;
    animation: pulse 1s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* === Controls === */
.controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    width: 100%;
}

.control-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    min-width: 120px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.control-button i {
    font-size: 1rem;
}

/* Primary Button */
.control-button.primary {
    background-color: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.control-button.primary:hover:not(:disabled) {
    background-color: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.control-button.primary.pause {
    background-color: var(--accent-danger);
}

.control-button.primary.pause:hover:not(:disabled) {
    background-color: #dc2626;
}

/* Secondary Button */
.control-button.secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.control-button.secondary:hover:not(:disabled) {
    background-color: var(--bg-primary);
    border-color: var(--border-hover);
}

.control-button.secondary.lap {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
}

.control-button.secondary.lap:hover:not(:disabled) {
    background-color: var(--accent-purple-light);
}

.control-button.secondary.clear-laps {
    border-color: var(--accent-danger);
    color: var(--accent-danger);
}

.control-button.secondary.clear-laps:hover:not(:disabled) {
    background-color: var(--accent-danger-light);
}

/* Tertiary Button */
.control-button.tertiary {
    background-color: var(--accent-success);
    color: white;
}

.control-button.tertiary:hover:not(:disabled) {
    background-color: var(--accent-success-hover);
}

/* Small Button */
.control-button.small {
    padding: var(--space-xs) var(--space-sm);
    min-width: auto;
    font-size: 0.85rem;
}

/* Disabled State */
.control-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Start Options */
.start-options {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.start-options label {
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

/* Session Info */
.session-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    width: 100%;
}

.session-name-input {
    flex: 1;
}

/* === Laps Section === */
.laps-container {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-height: 280px;
    display: flex;
    flex-direction: column;
}

.laps-title {
    font-size: 1rem;
    font-weight: 600;
    padding: var(--space-md);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.lap-table-wrapper {
    overflow-y: auto;
    flex: 1;
}

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

.lap-table th,
.lap-table td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

.lap-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    position: sticky;
    top: 0;
}

.lap-table th:first-child,
.lap-table td:first-child {
    text-align: center;
    width: 50px;
}

.lap-table th:not(:first-child),
.lap-table td:not(:first-child) {
    text-align: right;
}

.lap-table tbody tr:hover {
    background-color: var(--accent-primary-light);
}

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

.no-laps-message {
    display: none;
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-muted);
    font-style: italic;
}

.laps-container.empty .no-laps-message {
    display: block;
}

.laps-container.empty .lap-table-wrapper {
    display: none;
}

/* Lap Stats */
.lap-stats {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.lap-stats h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
}

.stat-item span:first-child {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
}

.stat-item span:first-child i {
    color: var(--accent-success);
    width: 16px;
}

.stat-item span:last-child {
    font-family: var(--font-digits);
    font-weight: 600;
    color: var(--accent-primary);
    background-color: var(--accent-primary-light);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

/* === Interval Section === */
.interval-setup,
.custom-input-area {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.interval-setup h3,
.custom-input-area h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    color: var(--accent-primary);
}

.interval-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.input-group-horizontal {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.input-group-horizontal label {
    min-width: 80px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.time-inputs {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.time-inputs span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.time-input.small {
    width: 60px;
    padding: var(--space-xs) var(--space-sm);
    font-size: 1rem;
}

.rounds-input {
    width: 70px;
}

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

.preset-name-input {
    flex: 1;
}

.interval-timer-column {
    justify-content: center;
}

/* Interval Status */
.interval-timer-container {
    position: relative;
}

.interval-status-text {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-weight: 600;
    text-align: center;
    pointer-events: none;
}

.interval-type {
    top: 20%;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-primary);
}

.interval-rounds {
    bottom: 20%;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Phase Colors */
.interval-timer-container.phase-resting .interval-type {
    color: var(--accent-success);
}

.interval-timer-container.phase-resting .progress-ring-circle {
    stroke: var(--accent-success);
}

.interval-timer-container.phase-finished .interval-type {
    color: var(--accent-danger);
}

.interval-timer-container.phase-finished .progress-ring-circle {
    stroke: var(--accent-danger);
}

/* === Devoir Section === */
.devoir-mode-options {
    display: flex;
    gap: var(--space-sm);
}

.devoir-option-button {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.devoir-option-button:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.devoir-option-button.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.devoir-sub-section {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    width: 100%;
    animation: fadeIn 0.3s ease;
}

.devoir-sub-section.active-sub-section {
    display: flex;
}

.devoir-chrono-display .digit {
    font-size: clamp(3rem, 10vw, 6rem);
}

.heure-actuelle-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl) 0;
}

.heure-actuelle-display {
    font-family: var(--font-digits);
}

.heure-actuelle-display .digit {
    font-size: clamp(3.5rem, 12vw, 7rem);
}

.heure-actuelle-display .time-separator {
    font-size: 1em;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 var(--space-xs);
    animation: blink 1s infinite;
}

.motivation-message {
    font-size: 1.1rem;
    color: var(--accent-success);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* === Pomodoro Section === */
.pomodoro-options {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.pomo-option-button {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.pomo-option-button:hover {
    border-color: var(--accent-success);
    color: var(--accent-success);
}

.pomo-option-button.active {
    background-color: var(--accent-success);
    border-color: var(--accent-success);
    color: white;
}

.status-message {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-primary);
    min-height: 1.5em;
}

/* === Custom Timer === */
.custom-input-area .input-group-horizontal {
    justify-content: space-between;
}

.custom-input-area .time-input {
    width: 100px;
}

.custom-input-area .set-timer {
    margin-top: var(--space-md);
    width: 100%;
}

#custom-section .status-message {
    text-align: center;
    width: 100%;
}

#custom-section .controls {
    flex-wrap: wrap;
}

#custom-section .controls .start-options {
    width: 100%;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

/* === Footer === */
.app-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.footer-separator {
    opacity: 0.5;
}

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

.heart-icon {
    color: var(--accent-danger);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-left: var(--space-md);
}

.social-link {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    transform: translateY(-2px);
}

.social-link[aria-label="Profil LinkedIn"]:hover {
    color: #0077B5;
}

.social-link[aria-label="Profil GitHub"]:hover {
    color: var(--text-primary);
}

/* === Large Display Mode === */
.large-exit-button {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    display: none;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

body.large-display-mode {
    overflow: hidden;
}

body.large-display-mode .app-header,
body.large-display-mode .app-footer,
body.large-display-mode .section-header,
body.large-display-mode .controls,
body.large-display-mode .session-info,
body.large-display-mode .laps-column,
body.large-display-mode .setup-column,
body.large-display-mode .section-guide,
body.large-display-mode .status-message,
body.large-display-mode .pomodoro-options,
body.large-display-mode .devoir-mode-options,
body.large-display-mode .motivation-message,
body.large-display-mode .progress-ring,
body.large-display-mode .interval-status-text,
body.large-display-mode .start-options {
    display: none !important;
}

body.large-display-mode .app-main {
    padding: 0;
    height: 100vh;
    align-items: center;
}

body.large-display-mode .timer-section.active-section {
    max-width: none;
    width: 100%;
    height: 100%;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    justify-content: center;
}

body.large-display-mode .timer-display-container {
    width: 100%;
    height: auto;
}

body.large-display-mode .timer-display-container.with-progress {
    width: auto;
    height: auto;
}

body.large-display-mode .time-display {
    position: static;
    transform: none;
}

body.large-display-mode .digit {
    font-size: var(--large-display-font-size);
}

body.large-display-mode .unit {
    font-size: calc(var(--large-display-font-size) * 0.15);
}

body.large-display-mode .ms {
    font-size: calc(var(--large-display-font-size) * 0.35) !important;
}

body.large-display-mode .large-exit-button {
    display: flex;
}

body.large-display-mode .section-content-landscape {
    justify-content: center;
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    :root {
        --timer-circle-size: 250px;
        --custom-timer-circle-size: 280px;
    }

    .section-content-landscape {
        flex-direction: column;
        align-items: center;
    }

    .landscape-column {
        width: 100%;
        max-width: 500px;
    }

    .laps-container {
        max-height: 220px;
    }
}

@media (max-width: 768px) {
    :root {
        --timer-circle-size: 220px;
        --custom-timer-circle-size: 250px;
    }

    .app-header {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .app-nav {
        order: 2;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .header-tools {
        order: 1;
    }

    .logo-container {
        order: 0;
    }

    .app-main {
        padding: var(--space-md);
    }

    .timer-section {
        padding: var(--space-lg);
    }

    .section-guide {
        width: calc(100% - var(--space-lg) * 2);
        max-width: none;
    }

    .app-footer {
        flex-direction: column;
        text-align: center;
    }

    .footer-separator {
        display: none;
    }

    .social-links {
        margin-left: 0;
        margin-top: var(--space-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --timer-circle-size: 180px;
        --custom-timer-circle-size: 200px;
    }

    .nav-button span {
        display: none;
    }

    .nav-button {
        padding: var(--space-sm);
    }

    .app-slogan {
        display: none;
    }

    .controls {
        flex-direction: column;
    }

    .control-button {
        width: 100%;
    }

    .input-group-horizontal {
        flex-direction: column;
        align-items: stretch;
    }

    .input-group-horizontal label {
        min-width: auto;
        text-align: left;
        margin-bottom: var(--space-xs);
    }

    .time-inputs {
        justify-content: center;
    }

    .devoir-mode-options {
        flex-direction: column;
        width: 100%;
    }

    .devoir-option-button {
        width: 100%;
    }

    .pomodoro-options {
        flex-direction: column;
        width: 100%;
    }

    .pomo-option-button {
        width: 100%;
    }
}