/**
 * news247.fr - Main Stylesheet
 * Custom components on top of Tailwind CSS
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --color-primary: #1e40af;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #1e3a8a;
    --color-accent: #e11d48;
    --color-bg: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-card: #ffffff;
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-shadow-lg: rgba(0, 0, 0, 0.12);
    --color-overlay: rgba(0, 0, 0, 0.6);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Merriweather', Georgia, serif;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* ============================================
   BASE RESET & TYPOGRAPHY
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

/* ============================================
   TICKER BAR
   ============================================ */
.ticker-bar {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #ffffff;
    overflow: hidden;
    position: relative;
    height: 40px;
    display: flex;
    align-items: center;
    z-index: 50;
}

.ticker-bar__label {
    background-color: var(--color-accent);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    white-space: nowrap;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.ticker-bar__label::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 0;
    border-style: solid;
    border-width: 20px 0 20px 12px;
    border-color: transparent transparent transparent var(--color-accent);
}

.ticker-bar__track {
    flex: 1;
    overflow: hidden;
    position: relative;
    margin-left: 1rem;
}

.ticker-bar__content {
    display: flex;
    gap: 3rem;
    animation: ticker-scroll 60s linear infinite;
    white-space: nowrap;
    will-change: transform;
}

.ticker-bar__content:hover {
    animation-play-state: paused;
}

.ticker-bar__item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 500;
    flex-shrink: 0;
}

.ticker-bar__item a:hover {
    color: #bfdbfe;
}

.ticker-bar__dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   BREAKING NEWS BANNER
   ============================================ */
.breaking-news-banner {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: #ffffff;
    padding: 0.625rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.breaking-news-banner__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background-color: rgba(255,255,255,0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
    animation: pulse-badge 2s ease-in-out infinite;
}

.breaking-news-banner__pulse {
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

.breaking-news-banner__text {
    font-size: 0.875rem;
    font-weight: 600;
}

.breaking-news-banner__text a:hover {
    text-decoration: underline;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
}

/* ============================================
   ARTICLE CARDS
   ============================================ */
.article-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: 0 1px 3px var(--color-shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px var(--color-shadow-lg);
}

.article-card__image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.article-card__image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-card__image-wrap img {
    transform: scale(1.05);
}

.article-card__body {
    padding: 1rem 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card__title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

.article-card:hover .article-card__title {
    color: var(--color-primary);
}

.article-card__excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.75rem;
    flex: 1;
}

.article-card__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border-light);
}

/* Large featured card */
.article-card--featured {
    position: relative;
}

.article-card--featured .article-card__image-wrap {
    aspect-ratio: auto;
    height: 100%;
    min-height: 400px;
}

.article-card--featured .article-card__body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    padding: 2rem 1.5rem;
    color: #ffffff;
}

.article-card--featured .article-card__title {
    font-size: 1.5rem;
    color: #ffffff;
    -webkit-line-clamp: 3;
}

.article-card--featured:hover .article-card__title {
    color: #bfdbfe;
}

.article-card--featured .article-card__excerpt {
    color: #cbd5e1;
}

.article-card--featured .article-card__meta {
    color: #94a3b8;
    border-top-color: rgba(255,255,255,0.15);
}

/* Horizontal card */
.article-card--horizontal {
    flex-direction: row;
}

.article-card--horizontal .article-card__image-wrap {
    width: 260px;
    min-width: 260px;
    aspect-ratio: auto;
}

@media (max-width: 640px) {
    .article-card--horizontal {
        flex-direction: column;
    }
    .article-card--horizontal .article-card__image-wrap {
        width: 100%;
        min-width: 100%;
        aspect-ratio: 16/9;
    }
}

/* Small sidebar card */
.article-card--small {
    flex-direction: row;
    gap: 0.75rem;
    box-shadow: none;
    border-radius: 0;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.article-card--small:hover {
    transform: none;
    box-shadow: none;
}

.article-card--small .article-card__image-wrap {
    width: 80px;
    min-width: 80px;
    height: 60px;
    aspect-ratio: auto;
    border-radius: var(--radius-sm);
}

.article-card--small .article-card__body {
    padding: 0;
}

.article-card--small .article-card__title {
    font-size: 0.8125rem;
    -webkit-line-clamp: 2;
    margin-bottom: 0.25rem;
}

.article-card--small .article-card__meta {
    border-top: none;
    padding-top: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.5rem;
    min-height: 500px;
}

.hero-section__main {
    grid-row: 1 / -1;
}

@media (max-width: 768px) {
    .hero-section {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        min-height: auto;
    }
    .hero-section__main {
        grid-row: auto;
    }
    .article-card--featured .article-card__image-wrap {
        min-height: 250px;
    }
    .article-card--featured .article-card__title {
        font-size: 1.125rem;
    }
}

/* ============================================
   CATEGORY BADGES
   ============================================ */
.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    color: #ffffff;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.category-badge:hover {
    opacity: 0.85;
}

/* ============================================
   READING PROGRESS BAR
   ============================================ */
.reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    z-index: 9999;
    transition: width 50ms linear;
}

/* ============================================
   SIDEBAR WIDGETS
   ============================================ */
.sidebar-widget {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: 0 1px 3px var(--color-shadow);
    margin-bottom: 1.5rem;
}

.sidebar-widget__title {
    font-size: 0.9375rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--color-text);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-widget__numbered-list {
    counter-reset: sidebar-counter;
    list-style: none;
}

.sidebar-widget__numbered-item {
    counter-increment: sidebar-counter;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

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

.sidebar-widget__numbered-item::before {
    content: counter(sidebar-counter);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.sidebar-widget__numbered-item:nth-child(-n+3)::before {
    background-color: var(--color-accent);
}

/* ============================================
   SHARE BUTTONS
   ============================================ */
.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    color: #ffffff;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
    border: none;
}

.share-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.share-btn--facebook { background-color: #1877f2; }
.share-btn--twitter { background-color: #000000; }
.share-btn--linkedin { background-color: #0a66c2; }
.share-btn--whatsapp { background-color: #25d366; }
.share-btn--email { background-color: #6b7280; }
.share-btn--copy { background-color: #475569; }

/* ============================================
   ARTICLE BODY TYPOGRAPHY
   ============================================ */
.article-body {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--color-text);
}

.article-body h2 {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 800;
    margin: 2rem 0 1rem;
    color: var(--color-text);
    line-height: 1.3;
}

.article-body h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 1.75rem 0 0.75rem;
    color: var(--color-text);
    line-height: 1.35;
}

.article-body p {
    margin-bottom: 1.25rem;
}

.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-body a:hover {
    color: var(--color-primary-dark);
}

.article-body blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background-color: var(--color-bg-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.article-body ul, .article-body ol {
    margin: 1rem 0 1.25rem 1.5rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body img {
    border-radius: var(--radius-lg);
    margin: 1.5rem 0;
    width: 100%;
}

.article-body figure {
    margin: 1.5rem 0;
}

.article-body figcaption {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-family: var(--font-sans);
    font-size: 0.875rem;
}

.article-body th, .article-body td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    text-align: left;
}

.article-body th {
    background-color: var(--color-bg-secondary);
    font-weight: 700;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav-main {
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 3px var(--color-shadow);
    position: sticky;
    top: 0;
    z-index: 40;
}

.nav-category-bar {
    background-color: var(--color-primary-dark);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-category-bar::-webkit-scrollbar {
    display: none;
}

.nav-category-bar a {
    color: rgba(255,255,255,0.8);
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    padding: 0.5rem 0.75rem;
    transition: color var(--transition-fast), background-color var(--transition-fast);
    border-radius: var(--radius-sm);
}

.nav-category-bar a:hover,
.nav-category-bar a.active {
    color: #ffffff;
    background-color: rgba(255,255,255,0.1);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-header__title {
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    padding-left: 0.75rem;
}

.section-header__title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.5rem;
    border-radius: 2px;
}

.section-header__link {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.section-header__link:hover {
    color: var(--color-primary-dark);
}

/* ============================================
   SEARCH OVERLAY
   ============================================ */
.search-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--color-overlay);
    z-index: 100;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    backdrop-filter: blur(4px);
}

.search-overlay__inner {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    width: 100%;
    max-width: 640px;
    margin: 0 1rem;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

.search-overlay__input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-overlay__input:focus {
    border-color: var(--color-primary);
}

/* ============================================
   SKELETON LOADING
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--color-border-light) 25%, var(--color-border) 50%, var(--color-border-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.skeleton--text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton--title {
    height: 1.5rem;
    width: 80%;
    margin-bottom: 0.75rem;
}

.skeleton--image {
    aspect-ratio: 16/9;
    border-radius: var(--radius-lg);
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

.site-footer a {
    color: #cbd5e1;
    transition: color var(--transition-fast);
}

.site-footer a:hover {
    color: #ffffff;
}

.site-footer__heading {
    color: #ffffff;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination a, .pagination span {
    transition: all var(--transition-fast);
}

/* ============================================
   TAG CLOUD
   ============================================ */
.tag-item {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.tag-item:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

/* ============================================
   MISC UTILITIES
   ============================================ */
.line-clamp-1 { -webkit-line-clamp: 1; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { -webkit-line-clamp: 2; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { -webkit-line-clamp: 3; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }

.text-balance { text-wrap: balance; }

.gradient-overlay {
    background: linear-gradient(transparent 0%, rgba(0,0,0,0.7) 100%);
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(30,64,175,0.3);
    transition: all var(--transition-base);
    z-index: 30;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .article-body {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .article-body h2 {
        font-size: 1.25rem;
    }
    .article-body h3 {
        font-size: 1.125rem;
    }
    .ticker-bar__label {
        font-size: 0.6875rem;
        padding: 0 0.625rem;
    }
}

@media (max-width: 480px) {
    .share-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .ticker-bar,
    .breaking-news-banner,
    .nav-main,
    .nav-category-bar,
    .sidebar-widget,
    .share-buttons,
    .reading-progress-bar,
    .back-to-top,
    .site-footer {
        display: none !important;
    }

    .article-body {
        font-size: 12pt;
        line-height: 1.6;
    }

    body {
        background: #fff;
        color: #000;
    }
}