/**
 * Brocnote Article Unique
 * Version: 1.0.0
 * Mise en page article SEO + UX — Charte Brocnote #198FFB
 */

:root {
    --brocnau-primary: #198FFB;
    --brocnau-primary-dark: #0d7ae6;
    --brocnau-primary-light: #e8f4ff;
    --brocnau-primary-border: #7fc4fd;
    --brocnau-gray-50: #f9fafb;
    --brocnau-gray-100: #f3f4f6;
    --brocnau-gray-200: #e5e7eb;
    --brocnau-gray-300: #d1d5db;
    --brocnau-gray-400: #9ca3af;
    --brocnau-gray-500: #6b7280;
    --brocnau-gray-600: #4b5563;
    --brocnau-gray-700: #374151;
    --brocnau-gray-800: #1f2937;
    --brocnau-gray-900: #111827;
    --brocnau-radius: 8px;
    --brocnau-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --brocnau-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

/* =============================================================================
   ARTICLE WRAPPER
   ============================================================================= */

.brocnau-article {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem 3rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--brocnau-gray-800);
    line-height: 1.7;
}

/* =============================================================================
   LAYOUT 2 COLONNES
   ============================================================================= */

.brocnau-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2.5rem;
    align-items: start;
}

/* =============================================================================
   EN-TÊTE
   ============================================================================= */

.brocnau-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--brocnau-gray-200);
}

.brocnau-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--brocnau-gray-900);
    margin: 0 0 1rem;
    line-height: 1.25;
}

.brocnau-intro {
    font-size: 1.1rem;
    color: var(--brocnau-gray-600);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.brocnau-intro p {
    margin: 0 0 0.5rem;
}

/* Méta : date, auteur, temps de lecture ----------------------------------- */

.brocnau-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin-bottom: 1rem;
}

.brocnau-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--brocnau-gray-500);
}

.brocnau-meta-item svg {
    flex-shrink: 0;
}

.brocnau-meta-updated {
    font-style: italic;
    font-size: 0.8rem;
    color: var(--brocnau-gray-400);
}

/* Catégories -------------------------------------------------------------- */

.brocnau-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.brocnau-cat-link {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--brocnau-primary-light);
    color: var(--brocnau-primary) !important;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none !important;
    transition: background 0.15s ease, color 0.15s ease;
}

.brocnau-cat-link:hover {
    background: var(--brocnau-primary);
    color: #fff !important;
}

/* Image principale -------------------------------------------------------- */

.brocnau-hero-image {
    margin: 0;
    border-radius: var(--brocnau-radius);
    overflow: hidden;
    max-width: 380px;
}

.brocnau-hero-image img {
    display: block;
    width: 100%;
    height: auto;
    cursor: zoom-in;
    border-radius: var(--brocnau-radius);
    transition: transform 0.3s ease;
}

.brocnau-hero-image img:hover {
    transform: scale(1.02);
}

/* =============================================================================
   COLONNE GAUCHE — CONTENU
   ============================================================================= */

.brocnau-content {
    min-width: 0;
}

.brocnau-content-body h2 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--brocnau-gray-900);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--brocnau-primary-light);
    line-height: 1.3;
}

.brocnau-content-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--brocnau-gray-800);
    margin: 2rem 0 0.75rem;
    line-height: 1.3;
}

.brocnau-content-body p {
    margin: 0 0 1.15rem;
    font-size: 1rem;
}

.brocnau-content-body ul,
.brocnau-content-body ol {
    margin: 0 0 1.15rem 1.25rem;
    padding: 0;
}

.brocnau-content-body li {
    margin-bottom: 0.4rem;
}

.brocnau-content-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--brocnau-radius);
    margin: 1rem 0;
}

.brocnau-content-body blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.25rem;
    border-left: 4px solid var(--brocnau-primary);
    background: var(--brocnau-primary-light);
    border-radius: 0 var(--brocnau-radius) var(--brocnau-radius) 0;
    font-style: italic;
    color: var(--brocnau-gray-700);
}

.brocnau-content-body blockquote p {
    margin: 0;
}

/* =============================================================================
   COLONNE DROITE — SIDEBAR
   ============================================================================= */

.brocnau-sidebar {
    position: sticky;
    top: 2rem;
}

/* Sommaire ---------------------------------------------------------------- */

.brocnau-toc {
    background: var(--brocnau-gray-50);
    border: 1px solid var(--brocnau-gray-200);
    border-radius: var(--brocnau-radius);
    padding: 1.25rem 1.25rem 1rem;
}

.brocnau-toc-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--brocnau-gray-800);
    margin: 0 0 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.brocnau-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.brocnau-toc-sublist {
    list-style: none;
    padding: 0 0 0 1rem;
    margin: 0.25rem 0 0.25rem;
}

.brocnau-toc-link {
    display: block;
    padding: 0.3rem 0;
    font-size: 0.88rem;
    color: var(--brocnau-gray-600);
    text-decoration: none;
    border-left: 2px solid transparent;
    padding-left: 0.75rem;
    transition: color 0.15s ease, border-color 0.15s ease;
    line-height: 1.4;
}

.brocnau-toc-link:hover {
    color: var(--brocnau-primary);
    border-left-color: var(--brocnau-primary);
}

.brocnau-toc-link.brocnau-toc-link--active {
    color: var(--brocnau-primary);
    border-left-color: var(--brocnau-primary);
    font-weight: 600;
}

.brocnau-toc-item--h3 .brocnau-toc-link {
    font-size: 0.82rem;
    color: var(--brocnau-gray-500);
}

/* =============================================================================
   LIGHTBOX
   ============================================================================= */

.brocnau-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.85);
    padding: 2rem;
    cursor: zoom-out;
}

.brocnau-lightbox[hidden] {
    display: none;
}

.brocnau-lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: opacity 0.15s;
    z-index: 1;
}

.brocnau-lightbox-close:hover {
    opacity: 0.75;
}

.brocnau-lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
}

/* =============================================================================
   ERREUR
   ============================================================================= */

.brocnau-error {
    padding: 1rem 1.25rem;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: var(--brocnau-radius);
    color: #991b1b;
    font-size: 0.9rem;
}

/* =============================================================================
   ACCESSIBILITY
   ============================================================================= */

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

/* =============================================================================
   RESPONSIVE — TABLET (max-width: 960px)
   ============================================================================= */

@media (max-width: 960px) {
    .brocnau-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .brocnau-sidebar {
        position: static;
        order: -1;
    }
}

/* =============================================================================
   RESPONSIVE — MOBILE (max-width: 640px)
   ============================================================================= */

@media (max-width: 640px) {
    .brocnau-article {
        padding: 0 0.75rem 2rem;
    }

    .brocnau-title {
        font-size: 1.5rem;
    }

    .brocnau-intro {
        font-size: 1rem;
    }

    .brocnau-meta {
        gap: 0.5rem 1rem;
    }

    .brocnau-content-body h2 {
        font-size: 1.25rem;
        margin: 2rem 0 0.75rem;
    }

    .brocnau-content-body h3 {
        font-size: 1.05rem;
    }

    .brocnau-hero-image {
        max-width: 100%;
    }

    .brocnau-lightbox {
        padding: 1rem;
    }

    .brocnau-lightbox-img {
        max-width: 95vw;
        max-height: 80vh;
    }
}