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

:root {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent-color: #4A90E2;
    --border-color: #e0e0e0;
    --header-bg: #4A90E2;
    --header-text: #ffffff;
    --chip-bg: #ffffff;
    --chip-text: #666666;
    --chip-active-bg: #4A90E2;
    --chip-active-text: #ffffff;
    --badge-bg: #27AE60;
    --badge-text: #ffffff;
    --label-badge-bg: #E8F5E9;
    --label-badge-text: #2E7D32;
    --offline-bg: #FF9800;
    --offline-text: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --accent-color: #5da3f5;
        --border-color: #404040;
        --header-bg: #2d2d2d;
        --header-text: #e0e0e0;
        --chip-bg: #3a3a3a;
        --chip-text: #b0b0b0;
        --chip-active-bg: #5da3f5;
        --chip-active-text: #ffffff;
        --badge-bg: #27AE60;
        --badge-text: #ffffff;
        --label-badge-bg: #2d4a2d;
        --label-badge-text: #81C784;
        --offline-bg: #FF9800;
        --offline-text: #ffffff;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Center Container (Loading & Error) */
.center-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background-color: var(--bg-primary);
}

/* Loading Spinner */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 15px;
    font-size: 16px;
    color: var(--text-secondary);
}

/* Error Screen */
.error-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.error-text {
    font-size: 16px;
    color: #E74C3C;
    text-align: center;
    padding: 20px;
    padding-bottom: 10px;
    max-width: 80%;
    line-height: 22px;
}

.retry-button {
    background-color: #4A90E2;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.2s;
}

.retry-button:hover {
    background-color: #3A7BC8;
}

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

/* Header */
.header {
    background-color: var(--header-bg);
    padding: 12px 20px;
    text-align: center;
    color: var(--header-text);
}

.header-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 5px;
}

.header-subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 15px;
}

/* Menu Toggle */
.menu-toggle {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

.toggle-btn {
    padding: 10px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    background: transparent;
    color: var(--header-text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.toggle-btn.active {
    background: var(--header-text);
    color: var(--header-bg);
    border-color: var(--header-text);
}

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

/* Offline Banner */
.offline-banner {
    background-color: var(--offline-bg);
    padding: 10px;
    text-align: center;
}

.offline-text {
    color: var(--offline-text);
    font-size: 13px;
    font-weight: 600;
    margin: 0;
}

/* Occupancy Container */
.occupancy-container {
    padding: 0;
    margin: 0;
    background: transparent;
}

.occupancy-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0 15px 12px;
}

/* Version 1: Dots minimalistes */
.occupancy-dots {
    display: flex;
    background: var(--bg-secondary);
    padding: 12px 15px;
    gap: 20px;
    align-items: center;
    justify-content: center;
}

.occupancy-card-dot {
    display: flex;
    align-items: center;
    gap: 8px;
}

.occupancy-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #27AE60;
    animation: pulse 2s infinite;
}

.occupancy-dot.medium {
    background: #F39C12;
}

.occupancy-dot.high {
    background: #E74C3C;
}

.occupancy-dot.saturated {
    background: #C0392B;
    animation: pulse-fast 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

@keyframes pulse-fast {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
}

.occupancy-card-dot .occupancy-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.occupancy-card-dot .occupancy-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Version 2: Cards avec bordure */
.occupancy-cards {
    display: flex;
    gap: 8px;
}

.occupancy-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-radius: 10px;
    border-left: 3px solid #27AE60;
    transition: all 0.3s;
}

.occupancy-card.medium {
    border-left-color: #F39C12;
}

.occupancy-card.high {
    border-left-color: #E74C3C;
}

.occupancy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.occupancy-card .occupancy-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.occupancy-card .occupancy-label {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
}

.occupancy-bar-container {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.occupancy-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: #27AE60;
    transition: width 0.5s ease;
    border-radius: 3px;
}

.occupancy-bar.medium {
    background: #F39C12;
}

.occupancy-bar.high {
    background: #E74C3C;
}

.occupancy-info {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Filter Container */
.filter-container {
    background-color: var(--bg-secondary);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.filter-container::-webkit-scrollbar {
    display: none;
}

.filter-scroll {
    display: flex;
    gap: 10px;
    padding: 0 15px;
    white-space: nowrap;
}

.filter-chip {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 20px;
    background-color: var(--chip-bg);
    border: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 600;
    color: var(--chip-text);
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
    flex-shrink: 0;
}

.filter-chip:active {
    transform: scale(0.95);
}

.filter-chip.active {
    background-color: var(--chip-active-bg);
    border-color: var(--chip-active-bg);
    color: var(--chip-active-text);
}

/* Update Time */
.update-time {
    text-align: center;
    padding: 10px;
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
}

.time-fresh {
    color: #27AE60;
    font-weight: 600;
}

.time-recent {
    color: #666;
}

.time-old {
    color: #FF9800;
    font-weight: 600;
}

/* Menu Content */
.menu-content {
    padding-bottom: 30px;
}

/* Category Section */
.category-section {
    margin: 20px 15px;
}

.category-title {
    font-size: 22px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.category-items {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Menu Item */
.menu-item {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

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

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 5px;
    gap: 10px;
}

.item-name {
    flex: 1;
    font-size: 18px;
    font-weight: bold;
    color: var(--text-primary);
}

.restaurant-badge {
    background-color: var(--badge-bg);
    padding: 4px 10px;
    border-radius: 12px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.restaurant-text {
    font-size: 11px;
    color: var(--badge-text);
    font-weight: 700;
    line-height: 1.2;
}

.item-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 20px;
    margin-bottom: 5px;
    font-style: italic;
}

.allergens {
    font-size: 12px;
    color: #E74C3C;
    margin: 5px 0;
}

.item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.calories {
    font-size: 13px;
    color: #27AE60;
    font-weight: 600;
}

.price {
    font-size: 16px;
    font-weight: bold;
    color: #F39C12;
}

.labels-container {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 8px;
}

.label-badge {
    background-color: var(--label-badge-bg);
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.label-text {
    font-size: 11px;
    color: var(--label-badge-text);
    font-weight: 600;
    line-height: 1.2;
}

/* No Menu Container */
.no-menu-container {
    padding: 40px;
    text-align: center;
}

.no-menu-text {
    font-size: 16px;
    color: #999;
}

/* Pull to Refresh */
.pull-to-refresh {
    position: fixed;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    background-color: white;
    padding: 10px 20px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: top 0.3s;
    z-index: 1000;
}

.pull-to-refresh.visible {
    top: 10px;
}

/* Responsive */
@media (min-width: 768px) {
    .menu-content {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .category-title,
    .menu-item,
    .update-time {
        margin-left: 0;
        margin-right: 0;
    }
}

/* iOS specific fixes */
@supports (-webkit-touch-callout: none) {
    body {
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .header {
        padding-top: calc(20px + env(safe-area-inset-top));
    }
}