/* ==========================================================================
   Dans Ta Rue - Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
    --color-primary: #2c3e50;
    --color-secondary: #ff001b;
    --color-accent: #ff001b;
    --color-text: #333;
    --color-text-light: #666;
    --color-background: #f5f5f5;
    --color-white: #fff;
    --color-border: #ddd;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    --border-radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
[hidden] {
    display: none !important;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    text-decoration: underline;
}

button {
    cursor: pointer;
    font-family: inherit;
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
    background-color: var(--color-white);
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    text-align: center;
}

.site-title {
    margin: 0;
    display: flex;
    justify-content: center;
}

.site-logo {
    max-width: 300px;
    height: auto;
}

.site-intro {
    max-width: 90%;
    margin: var(--spacing-lg) auto 0;
    line-height: 1.7;
}

.site-intro-text {
    margin: 0 0 var(--spacing-sm);
    color: var(--color-text-light);
}

.site-intro-text:last-of-type {
    margin-bottom: var(--spacing-lg);
}

.btn-donate {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-secondary);
    color: var(--color-white);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.btn-donate:hover {
    background-color: #cc0016;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   Year Navigation
   -------------------------------------------------------------------------- */
.year-nav {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.year-tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.year-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-white);
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.year-tab:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.year-tab[aria-selected="true"] {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
.main-content {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* --------------------------------------------------------------------------
   Loading State
   -------------------------------------------------------------------------- */
.loading-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-light);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--spacing-md);
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Error State
   -------------------------------------------------------------------------- */
.error-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-light);
}

.empty-hint {
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

/* --------------------------------------------------------------------------
   Button
   -------------------------------------------------------------------------- */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: all var(--transition-fast);
}

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

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

/* --------------------------------------------------------------------------
   Illustrations Grid
   -------------------------------------------------------------------------- */
.illustrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

/* --------------------------------------------------------------------------
   Illustration Card
   -------------------------------------------------------------------------- */
.illustration-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.illustration-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.illustration-card:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.card-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--color-border);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.illustration-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--spacing-md);
}

.card-day {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    margin: 0 0 var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
}

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

.card-artist {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.card-image-count {
    font-size: 0.8rem;
    color: var(--color-text-light);
    background: var(--color-background);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
}

/* Scheduled Card (Placeholder) */
.illustration-card--scheduled {
    cursor: default;
    opacity: 0.8;
}

.illustration-card--scheduled:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

.card-image--scheduled {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-border) 100%);
}

.scheduled-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.scheduled-icon {
    font-size: 3rem;
    font-weight: bold;
    color: var(--color-text-light);
    opacity: 0.5;
}

.card-content--scheduled {
    text-align: center;
}

.scheduled-text {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-light);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal[hidden] {
    display: none;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    max-width: 90%;
    max-height: 90vh;
    width: 100%;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn var(--transition-normal);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background-color: var(--color-white);
    color: var(--color-text);
    font-size: 1.5rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr;
}

.modal-images {
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.modal-images img {
    width: 100%;
    height: auto;
}

/* Carousel */
.carousel {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-image {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-image img {
    max-width: 100%;
    max-height: 70vh;
    width: auto;
    height: auto;
    object-fit: contain;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-text);
    font-size: 2rem;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.carousel-nav:hover {
    background: var(--color-white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: var(--spacing-md);
}

.carousel-next {
    right: var(--spacing-md);
}

.carousel-dots {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.carousel-dot.active {
    background: var(--color-white);
    transform: scale(1.2);
}

.modal-info {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
}

.modal-title {
    margin: 0 0 var(--spacing-md);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.modal-artist {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-light);
}

.modal-artist a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-sm);
}

.modal-description {
    line-height: 1.8;
}

.modal-description p {
    margin: 0 0 var(--spacing-md);
}

.modal-description p:last-child {
    margin-bottom: 0;
}

.modal-donate {
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

/* Share buttons */
.modal-share {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.share-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.share-btn:hover {
    transform: scale(1.1);
    text-decoration: none;
}

.share-x {
    background-color: #000;
}

.share-facebook {
    background-color: #1877f2;
}

.share-copy {
    background-color: var(--color-primary);
}

.share-copy.copied {
    background-color: var(--color-success, #27ae60);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    margin-top: auto;
}

.site-footer a {
    color: var(--color-white);
    text-decoration: underline;
}

.site-footer a:hover {
    opacity: 0.8;
}

.footer-credit {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
    .site-logo {
        max-width: 400px;
    }

    .modal-body {
        grid-template-columns: 1fr 1fr;
    }

    .modal-images {
        max-height: 80vh;
        overflow-y: auto;
    }
}

@media (max-width: 480px) {
    .site-logo {
        max-width: 200px;
    }

    .year-tabs {
        justify-content: center;
    }

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

    .modal-content {
        max-height: 95vh;
    }

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

/* --------------------------------------------------------------------------
   Lazy Loading
   -------------------------------------------------------------------------- */
.lazy-image {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.lazy-image.loaded {
    opacity: 1;
}

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

    html {
        scroll-behavior: auto;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1001;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}