/**
 * Veille Scientifique - Style inspiré du New York Times
 * Design classique, élégant et lisible
 */

:root {
    /* Couleurs principales */
    --nyt-black: #121212;
    --nyt-dark-gray: #333;
    --nyt-gray: #666;
    --nyt-light-gray: #e2e2e2;
    --nyt-off-white: #f7f7f7;
    --nyt-white: #ffffff;

    /* Couleurs accent */
    --nyt-blue: #326891;
    --nyt-gold: #d4af37;
    --excellent-green: #2d7738;
    --good-blue: #1a5490;
    --medium-orange: #c45500;
    --low-gray: #757575;

    /* Typographie */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Bordures */
    --border-thin: 1px solid var(--nyt-light-gray);
    --border-thick: 2px solid var(--nyt-black);
}

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--nyt-dark-gray);
    background-color: var(--nyt-white);
}

/* ========== MASTHEAD (Header NY Times Style) ========== */

.masthead {
    border-bottom: var(--border-thick);
    background: var(--nyt-white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.masthead-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: center;
}

.masthead-date {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nyt-gray);
    margin-bottom: var(--spacing-xs);
}

.masthead-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 900;
    font-style: italic;
    color: var(--nyt-black);
    margin: var(--spacing-xs) 0;
    letter-spacing: -0.02em;
}

.masthead-subtitle {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--nyt-gray);
    margin-top: var(--spacing-xs);
}

/* Navigation principale */
.main-nav {
    background: var(--nyt-off-white);
    border-bottom: var(--border-thin);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 0;
}

.nav-item {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    border-right: var(--border-thin);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nyt-dark-gray);
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-item:last-child {
    border-right: none;
}

.nav-item:hover {
    background: var(--nyt-white);
    color: var(--nyt-blue);
}

.nav-item.active {
    background: var(--nyt-white);
    color: var(--nyt-black);
    border-bottom: 3px solid var(--nyt-black);
}

.nav-icon {
    margin-right: 0.5rem;
}

/* ========== CONTENU PRINCIPAL ========== */

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-sm);
    min-height: 70vh;
}

.page-content {
    display: none;
}

.page-content.active {
    display: block;
}

/* Hero Section (Résumé du jour) */
.hero-section {
    padding: var(--spacing-xl) 0;
    border-bottom: var(--border-thin);
    margin-bottom: var(--spacing-xl);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--nyt-black);
    margin-bottom: var(--spacing-md);
}

.hero-byline {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--nyt-gray);
    max-width: 800px;
}

/* Statistiques quotidiennes */
.daily-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-md);
    border: var(--border-thin);
    background: var(--nyt-off-white);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--nyt-black);
}

.stat-label {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nyt-gray);
    margin-top: var(--spacing-xs);
}

/* Sections */
.section-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--nyt-black);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: var(--border-thick);
}

/* Articles Grid - Featured (Top Stories) */
.articles-grid-featured {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.article-featured {
    padding: var(--spacing-md) 0;
    border-bottom: var(--border-thin);
}

.article-featured-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

.article-featured-title a {
    color: var(--nyt-black);
    text-decoration: none;
}

.article-featured-title a:hover {
    color: var(--nyt-blue);
}

.article-meta {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--nyt-gray);
    margin-bottom: var(--spacing-sm);
}

.article-summary {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--nyt-dark-gray);
}

/* Articles Grid - Standard */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.article-card {
    padding: var(--spacing-md);
    border: var(--border-thin);
    background: var(--nyt-white);
    transition: box-shadow 0.2s ease;
}

.article-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.article-card-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

.article-card-title a {
    color: var(--nyt-black);
    text-decoration: none;
}

.article-card-title a:hover {
    color: var(--nyt-blue);
}

/* Badges de score */
.score-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2px;
    color: var(--nyt-white);
}

.score-excellent { background: var(--excellent-green); }
.score-bon { background: var(--good-blue); }
.score-moyen { background: var(--medium-orange); }
.score-faible { background: var(--low-gray); }

.category-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--nyt-black);
    color: var(--nyt-white);
    border-radius: 2px;
}

/* Filtres */
.filters-bar {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--nyt-off-white);
    border: var(--border-thin);
}

.search-input,
.filter-select,
.input-field {
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border: var(--border-thin);
    background: var(--nyt-white);
    color: var(--nyt-dark-gray);
}

.search-input {
    flex: 2;
}

.filter-select {
    flex: 1;
    cursor: pointer;
}

/* Boutons */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--nyt-blue);
}

.btn-secondary {
    background: var(--nyt-white);
    color: var(--nyt-black);
    border: var(--border-thick);
}

.btn-secondary:hover {
    background: var(--nyt-off-white);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    border: var(--border-thin);
    background: var(--nyt-white);
    color: var(--nyt-dark-gray);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-small:hover {
    background: var(--nyt-off-white);
    border-color: var(--nyt-dark-gray);
}

.btn-danger {
    border-color: #c45500;
    color: #c45500;
}

.btn-danger:hover {
    background: #c45500;
    color: white;
}

/* Table des abonnés */
.subscribers-data-table {
    width: 100%;
    border-collapse: collapse;
    border: var(--border-thin);
    background: var(--nyt-white);
}

.subscribers-data-table thead {
    background: var(--nyt-off-white);
    border-bottom: var(--border-thick);
}

.subscribers-data-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nyt-dark-gray);
}

.subscribers-data-table td {
    padding: var(--spacing-md);
    border-bottom: var(--border-thin);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--nyt-dark-gray);
    vertical-align: middle;
}

.subscribers-data-table tbody tr:hover {
    background: var(--nyt-off-white);
}

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

.categories-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.category-mini-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: var(--nyt-black);
    color: var(--nyt-white);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2px;
    white-space: nowrap;
}

/* Section statistiques abonnés */
.subscribers-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.stat-card-small {
    background: var(--nyt-white);
    border: var(--border-thin);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.2s ease;
}

.stat-card-small:hover {
    border-color: var(--nyt-dark-gray);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stat-number-small {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--nyt-black);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label-small {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nyt-dark-gray);
}

/* Liste des sources RSS */
.rss-sources-list {
    margin-top: var(--spacing-md);
}

.rss-sources-list .subscribers-data-table {
    margin-top: 0;
}

/* Footer */
.footer {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
    border-top: var(--border-thick);
    background: var(--nyt-off-white);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--nyt-gray);
}

.footer-small {
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--nyt-white);
    padding: var(--spacing-xl);
    border: var(--border-thick);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    float: right;
    font-size: 2rem;
    font-weight: 700;
    color: var(--nyt-gray);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--nyt-black);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--nyt-dark-gray);
}

textarea.input-field {
    resize: vertical;
    font-family: var(--font-sans);
}

/* Admin sections */
.admin-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    border: var(--border-thin);
    background: var(--nyt-off-white);
}

.admin-section-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: var(--border-thin);
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.config-item label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.config-item small {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--nyt-gray);
}

.logs-container {
    background: var(--nyt-black);
    color: #0f0;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    padding: var(--spacing-md);
    height: 400px;
    overflow-y: auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .articles-grid-featured,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .daily-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .masthead-title {
        font-size: 2rem;
    }

    .nav-container {
        flex-direction: column;
    }

    .nav-item {
        border-right: none;
        border-bottom: var(--border-thin);
    }

    .filters-bar {
        flex-direction: column;
    }

    .subscriber-row {
        grid-template-columns: 1fr;
    }
}

/* ========== ARTICLE IMAGES & NOTES ========== */

.article-image {
    width: 100%;
    margin-bottom: 1rem;
    border-radius: 2px;
    overflow: hidden;
    background: var(--nyt-off-white);
}

.article-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.article-card:hover .article-image img {
    transform: scale(1.02);
}

.article-notes {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--nyt-off-white);
    border-left: 3px solid var(--nyt-blue);
    font-size: 0.9rem;
    color: var(--nyt-dark-gray);
    font-style: italic;
}

.article-notes strong {
    font-weight: 700;
    font-style: normal;
    color: var(--nyt-black);
    margin-right: 0.5rem;
}

/* ========== CATEGORY BANNERS ========== */

.category-banners-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: var(--border-thin);
}

.category-banner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--nyt-white);
    border: 2px solid var(--nyt-light-gray);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-banner:hover {
    border-color: var(--nyt-blue);
    background: var(--nyt-off-white);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.category-banner.active {
    background: var(--nyt-blue);
    border-color: var(--nyt-blue);
    color: var(--nyt-white);
}

.category-banner-name {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.category-banner-count {
    padding: 0.2rem 0.5rem;
    background: var(--nyt-off-white);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--nyt-dark-gray);
}

.category-banner.active .category-banner-count {
    background: rgba(255,255,255,0.25);
    color: var(--nyt-white);
}