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

:root {
    --ink:      #1a1208;
    --parch:    #f0ece0;
    --cream:    #e4dcc8;
    --white:    #fdfaf4;
    --gold:     #b8892a;
    --gold-lt:  #d4a84b;
    --grec:     #0e6e4a;
    --grec-lt:  #13976a;
    --latin:    #9e2035;
    --latin-lt: #c72b44;
    --blue:     #3a5f72;
    --blue-lt:  #4e7d96;
    --num:      #4a3570;
    --num-lt:   #6b55a0;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    background-color: var(--parch);
    color: var(--ink);
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.7;
}

body::after {
    content: '';
    position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200;
    background: repeating-linear-gradient(
        to right, var(--gold) 0, var(--gold) 6px, transparent 6px, transparent 10px
    );
}

/* ══════════════════════════════════════
   NAVIGATION
══════════════════════════════════════ */

nav {
    position: relative; z-index: 10;
    display: flex; justify-content: flex-end; align-items: center;
    padding: 16px 40px;
}

.nav-left  { display: flex; gap: 10px; }
.nav-right { display: flex; gap: 10px; }

.nav-btn {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.88em; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; padding: 8px 20px;
    border-radius: 2px; border: 1px solid transparent;
    transition: all 0.25s; color: var(--ink);
}
.nav-btn.home {
    background: var(--blue); color: #fff; border-color: var(--blue);
}
.nav-btn.home:hover { background: var(--blue-lt); border-color: var(--blue-lt); }

.nav-btn.contribuer {
    background: var(--gold);
    color: #fff;
    border-color: var(--gold);
}
.nav-btn.contribuer:hover {
    background: var(--gold-lt);
    border-color: var(--gold-lt);
}

/* ══════════════════════════════════════
   CONTENEUR
══════════════════════════════════════ */

.container {
    position: relative; z-index: 1;
    max-width: 1200px; margin: 0 auto;
    padding: 36px 36px 100px;
}

/* ══════════════════════════════════════
   EN-TÊTE PAGE
══════════════════════════════════════ */

.page-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeDown 0.8s ease both;
}

.page-header svg { display: block; margin: 0 auto 16px; opacity: 0.45; }

h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.4em, 6vw, 4em);
    font-weight: 900; color: var(--ink);
    margin-bottom: 4px; line-height: 1.05;
}

.page-subtitle {
    font-family: 'IM Fell English', serif;
    font-style: italic; font-size: 1.15em;
    color: var(--gold); letter-spacing: 0.05em;
    margin-bottom: 28px;
}

.divider {
    display: flex; align-items: center; gap: 14px;
    max-width: 400px; margin: 0 auto;
}
.divider::before, .divider::after {
    content: ''; flex: 1; height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}
.divider span { color: var(--gold); font-size: 1.1em; opacity: 0.7; }

/* ══════════════════════════════════════
   LAYOUT : SIDEBAR + CONTENU
══════════════════════════════════════ */

.doc-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 40px;
    align-items: start;
}

/* ── Sidebar (sommaire) ── */
.sidebar {
    position: sticky;
    top: 32px;
    animation: fadeIn 0.9s ease 0.2s both;
}

.sidebar-inner {
    background: var(--white);
    border: 1px solid var(--cream);
    border-top: 3px solid var(--gold);
    border-radius: 2px;
    padding: 20px 0;
    box-shadow: 0 4px 18px rgba(26,18,8,0.06);
}

.sidebar-title {
    font-family: 'IM Fell English', serif;
    font-style: italic;
    font-size: 0.78em;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #9a8060;
    padding: 0 20px 12px;
    border-bottom: 1px solid var(--cream);
    margin-bottom: 8px;
}

.sidebar nav {
    display: block;
    padding: 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.97em;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #5a4030;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar-link:hover {
    color: var(--ink);
    background: rgba(184, 137, 42, 0.06);
}

.sidebar-link.pedago:hover,
.sidebar-link.pedago.active { border-left-color: var(--grec); color: var(--grec); }
.sidebar-link.termino:hover,
.sidebar-link.termino.active { border-left-color: var(--latin); color: var(--latin); }
.sidebar-link.num:hover,
.sidebar-link.num.active { border-left-color: var(--num); color: var(--num); }

.sidebar-dot {
    width: 7px; height: 7px;
    border-radius: 50%; flex-shrink: 0;
}
.pedago .sidebar-dot { background: var(--grec); }
.termino .sidebar-dot { background: var(--latin); }
.num .sidebar-dot { background: var(--num); }

/* ── Zone de contenu ── */
.doc-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

/* ══════════════════════════════════════
   SECTIONS DOCUMENTAIRES
══════════════════════════════════════ */

.doc-section {
    animation: fadeUp 0.8s ease both;
}

.doc-section:nth-child(1) { animation-delay: 0.15s; }
.doc-section:nth-child(2) { animation-delay: 0.25s; }
.doc-section:nth-child(3) { animation-delay: 0.35s; }

/* Label de section */
.section-label {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 24px;
}
.section-label::after {
    content: ''; flex: 1; height: 1px;
    background: linear-gradient(to right, currentColor, transparent);
    opacity: 0.25;
}
.section-label span {
    font-family: 'IM Fell English', serif;
    font-style: italic; font-size: 1.05em;
    letter-spacing: 0.07em; text-transform: uppercase;
    white-space: nowrap;
}
.pedago-label  { color: var(--grec); }
.termino-label { color: var(--latin); }
.num-label     { color: var(--num); }

/* ── Entrées documentaires ── */
.doc-entries {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.doc-entry {
    background: var(--white);
    border: 1px solid var(--cream);
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(26,18,8,0.04);
    transition: box-shadow 0.25s, transform 0.25s;
}
.doc-entry:hover {
    box-shadow: 0 6px 22px rgba(26,18,8,0.09);
    transform: translateY(-2px);
}

.doc-entry.pedago  { border-left: 4px solid var(--grec); }
.doc-entry.termino { border-left: 4px solid var(--latin); }
.doc-entry.num     { border-left: 4px solid var(--num); }

/* Header cliquable de l'entrée */
.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    cursor: pointer;
    user-select: none;
    gap: 12px;
}

.entry-header::-webkit-details-marker { display: none; }

.entry-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1em; font-weight: 700;
    color: var(--ink); line-height: 1.2;
}

.entry-tag {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.75em; font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase;
    padding: 3px 10px; border-radius: 2px;
    white-space: nowrap; flex-shrink: 0;
}
.tag-pedago  { background: #e8f4ee; color: var(--grec);  border: 1px solid rgba(14,110,74,0.25); }
.tag-termino { background: #faecee; color: var(--latin); border: 1px solid rgba(158,32,53,0.25); }
.tag-num     { background: #eeeaf6; color: var(--num);   border: 1px solid rgba(74,53,112,0.25); }

/* Corps de l'entrée (details/summary) */
details.doc-entry summary {
    list-style: none;
}
details.doc-entry summary::-webkit-details-marker { display: none; }

.entry-toggle {
    font-size: 0.7em;
    color: #a08c6a;
    transition: transform 0.25s;
    flex-shrink: 0;
}
details[open] .entry-toggle { transform: rotate(90deg); }

.entry-body {
    padding: 0 24px 22px;
    border-top: 1px solid var(--cream);
}

.entry-body p {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.06em; font-weight: 300;
    line-height: 1.75; color: #3a2e1e;
    margin-top: 16px;
}

.entry-body p + p { margin-top: 10px; }

.entry-body strong { font-weight: 600; color: var(--ink); }

.entry-body ul {
    list-style: none;
    padding: 0;
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.entry-body li {
    position: relative;
    padding-left: 18px;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.05em; font-weight: 300;
    line-height: 1.6; color: #3a2e1e;
}
.entry-body li::before {
    content: '–';
    position: absolute; left: 2px;
    color: var(--gold);
}

/* Tableau terminologique */
.term-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.02em;
}
.term-table th {
    font-family: 'Playfair Display', serif;
    font-size: 0.88em; font-weight: 700;
    letter-spacing: 0.04em; text-align: left;
    padding: 8px 14px;
    background: #f5efe0;
    border-bottom: 2px solid var(--cream);
    color: #5a4030;
}
.term-table td {
    padding: 9px 14px;
    border-bottom: 1px solid rgba(228,220,200,0.6);
    font-weight: 300; color: #3a2e1e;
    vertical-align: top;
    line-height: 1.55;
}
.term-table tr:last-child td { border-bottom: none; }
.term-table tr:hover td { background: rgba(184,137,42,0.04); }

.term-fr   { font-style: italic; color: var(--latin); font-weight: 400; }
.term-lat  { color: #5a3020; font-weight: 400; }
.term-grec { color: var(--grec); font-weight: 400; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */

.footer-rule {
    text-align: center; margin-top: 64px;
    animation: fadeIn 1s ease 0.6s both;
}
.footer-rule p {
    font-family: 'IM Fell English', serif;
    font-style: italic; font-size: 0.85em;
    color: #a08c6a; margin-top: 10px; letter-spacing: 0.04em;
}

/* ══════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════ */

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-18px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */

@media (max-width: 780px) {
    nav { padding: 14px 18px; flex-wrap: wrap; gap: 8px; }
    .container { padding: 28px 18px 60px; }
    .doc-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .sidebar-inner { display: flex; flex-wrap: wrap; gap: 0; padding: 12px 0; }
    .sidebar-title { width: 100%; }
    .sidebar-link { flex: 1 0 auto; }
    .entry-header { flex-wrap: wrap; }
}