/* =========================================================
   MagMaths — feuille de style globale
   Palette : crème #FEF3E2 · ambre #F4AE52 · lave #D4621A · basalte #2A1A0E
   ========================================================= */
:root {
  --cream: #FEF3E2;
  --amber: #F4AE52;
  --lava: #D4621A;
  --basalt: #2A1A0E;

  --bg: var(--cream);
  --surface: #FFFAF2;
  --surface-2: #FBE7C8;
  --text: var(--basalt);
  --muted: #7A5A40;
  --border: #EBD3AE;
  --lava-dark: #A94A10;
  --ok: #3E7D3A;
  --ko: #B3261E;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(42, 26, 14, .06), 0 6px 20px rgba(42, 26, 14, .07);
  --shadow-lg: 0 10px 40px rgba(42, 26, 14, .18);
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-title: "Fredoka", "Outfit", system-ui, sans-serif;
  --lava-grad: linear-gradient(135deg, var(--amber), var(--lava));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-title); line-height: 1.2; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--lava); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.hidden { display: none !important; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--basalt);
  color: var(--cream);
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.site-header .container { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--cream); font-family: var(--font-title); font-size: 1.45rem; font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand img { width: 40px; height: 40px; }
.brand .accent { color: var(--amber); }
.main-nav { display: flex; gap: 4px; }
.main-nav a {
  color: var(--cream); opacity: .78; padding: 8px 14px; border-radius: 999px; font-weight: 500;
  display: flex; align-items: center; gap: 8px; transition: background .15s, opacity .15s;
}
.main-nav a:hover { opacity: 1; background: rgba(254,243,226,.08); text-decoration: none; }
.main-nav a.active { opacity: 1; background: var(--lava); }
.main-nav svg { width: 18px; height: 18px; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.points-pill { background: rgba(244,174,82,.15); color: var(--amber); padding: 4px 12px; border-radius: 999px; font-weight: 600; font-size: .9rem; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  background: var(--lava-grad); color: var(--basalt); font-weight: 700; flex: none;
}
.avatar.sm { width: 30px; height: 30px; font-size: .8rem; }
.avatar.lg { width: 84px; height: 84px; font-size: 1.8rem; }
.avatar.alt { background: linear-gradient(135deg, #E9C79A, #B9824F); }
.avatar.alt2 { background: linear-gradient(135deg, #F7D08A, #E0892F); }
.menu-btn { display: none; background: none; border: 0; color: var(--cream); padding: 6px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 600; line-height: 1.2; transition: transform .08s, background .15s, box-shadow .15s;
  text-decoration: none !important; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--lava); color: var(--cream); }
.btn-primary:hover { background: var(--lava-dark); }
.btn-amber { background: var(--amber); color: var(--basalt); }
.btn-amber:hover { background: #EE9E36; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-light { background: transparent; border-color: rgba(254,243,226,.35); color: var(--cream); }
.btn-light:hover { background: rgba(254,243,226,.1); }
.btn-sm { padding: 6px 12px; font-size: .875rem; }
.btn svg { width: 18px; height: 18px; }
.icon-btn { background: none; border: 0; padding: 6px; border-radius: 8px; color: inherit; display: inline-grid; place-items: center; }
.icon-btn:hover { background: var(--surface-2); }

/* ---------- Cartes & surfaces ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-pad { padding: 20px; }
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600;
  background: var(--surface-2); color: var(--basalt);
}
.tag.lava { background: rgba(212,98,26,.12); color: var(--lava-dark); }
.tag.dark { background: var(--basalt); color: var(--cream); }
.tag.premium { background: var(--lava-grad); color: var(--basalt); }
.tag.ok { background: rgba(62,125,58,.12); color: var(--ok); }
.status { white-space: nowrap; font-size: .72rem; font-weight: 700; padding: 1px 8px; border-radius: 6px; text-transform: uppercase; letter-spacing: .03em; }
.status.prof { background: var(--basalt); color: var(--amber); }
.status.eleve { background: var(--amber); color: var(--basalt); }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--basalt); color: rgba(254,243,226,.7); margin-top: 64px; padding: 36px 0; font-size: .9rem; }
.site-footer .container { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.site-footer a { color: var(--amber); }

/* ---------- Héros (accueil) ---------- */
.hero {
  background:
    radial-gradient(900px 300px at 85% 120%, rgba(212,98,26,.55), transparent 70%),
    radial-gradient(600px 240px at 10% -20%, rgba(244,174,82,.25), transparent 70%),
    var(--basalt);
  color: var(--cream); padding: 56px 0 72px; position: relative; overflow: hidden;
}
.hero h1 { color: var(--cream); max-width: 680px; }
.hero h1 em { font-style: normal; background: var(--lava-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: rgba(254,243,226,.8); max-width: 560px; font-size: 1.1rem; }
.hero-formula { position: absolute; right: 6%; top: 40px; font-size: 1.5rem; opacity: .16; transform: rotate(-6deg); pointer-events: none; }
.hero-formula.f2 { top: auto; bottom: 30px; right: 30%; transform: rotate(4deg); font-size: 1.2rem; }
.search-bar {
  display: flex; align-items: center; gap: 10px; background: var(--cream); color: var(--basalt);
  border-radius: 999px; padding: 6px 6px 6px 20px; max-width: 620px; margin-top: 24px; box-shadow: var(--shadow-lg);
}
.search-bar input { flex: 1; border: 0; background: none; outline: none; font-size: 1rem; padding: 8px 0; min-width: 0; }
.stats-row { display: flex; gap: 32px; margin-top: 28px; flex-wrap: wrap; }
.stats-row b { display: block; font-family: var(--font-title); font-size: 1.6rem; color: var(--amber); }
.stats-row span { font-size: .9rem; color: rgba(254,243,226,.7); }

/* ---------- Sections & grilles ---------- */
.section { padding-top: 40px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.section-head h2 { margin: 0; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.layout-side { display: grid; grid-template-columns: 260px 1fr; gap: 28px; align-items: start; }
.layout-side-r { display: grid; grid-template-columns: 1fr 320px; gap: 28px; align-items: start; }
.sticky { position: sticky; top: 88px; }

/* Filtres (chips) */
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  border: 1.5px solid var(--border); background: var(--surface); color: var(--text);
  padding: 6px 14px; border-radius: 999px; font-weight: 500; font-size: .9rem; transition: all .15s;
}
.chip:hover { border-color: var(--amber); }
.chip.active { background: var(--basalt); color: var(--cream); border-color: var(--basalt); }

/* Carte de contenu */
.content-card { display: flex; flex-direction: column; overflow: hidden; transition: transform .15s, box-shadow .15s; color: inherit; position: relative; }
.content-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); text-decoration: none; }
.content-card .thumb {
  height: 112px; display: grid; place-items: center; font-size: 1.35rem; color: var(--cream);
  background: var(--basalt); position: relative;
}
.content-card .thumb.t-cours { background: linear-gradient(135deg, #3B2414, var(--basalt)); }
.content-card .thumb.t-fiche { background: linear-gradient(135deg, var(--lava), #8E3A0C); }
.content-card .thumb.t-exo { background: linear-gradient(135deg, var(--amber), #D98A2B); color: var(--basalt); }
.content-card .thumb .type { position: absolute; top: 10px; left: 10px; }
.content-card .thumb .lock { position: absolute; top: 10px; right: 10px; }
.content-card .body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.content-card h3 { margin: 0; font-size: 1.05rem; }
.content-card .meta span { white-space: nowrap; }
.content-card .meta { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); margin-top: auto; }
.stars { color: var(--lava); letter-spacing: 1px; font-size: .9rem; }

/* Bandeau recommandation IA */
.reco {
  display: flex; gap: 16px; align-items: center; padding: 16px 20px;
  background: linear-gradient(90deg, rgba(244,174,82,.25), rgba(244,174,82,.05));
  border: 1px solid var(--amber); border-radius: var(--radius);
}
.reco .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--basalt); color: var(--amber); flex: none; }

/* Panneau de filtres */
.filters h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 18px 0 8px; font-family: var(--font); }
.filters h4:first-child { margin-top: 0; }
.check { display: flex; align-items: center; gap: 8px; padding: 3px 0; cursor: pointer; font-size: .95rem; }
.check input { accent-color: var(--lava); width: 16px; height: 16px; }

/* ---------- Formulaires ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: .9rem; }
.input, select.input, textarea.input {
  width: 100%; padding: 10px 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--border);
  background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
.input:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(244,174,82,.25); }

/* ---------- Toast ---------- */
.toast-zone { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 300; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--basalt); color: var(--cream); padding: 12px 20px; border-radius: 12px; box-shadow: var(--shadow-lg);
  display: flex; gap: 10px; align-items: center; animation: toastIn .25s ease; max-width: min(92vw, 520px);
}
.toast b { color: var(--amber); }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } }

/* ---------- Modale ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(42,26,14,.55); backdrop-filter: blur(3px);
  display: grid; place-items: center; z-index: 200; padding: 16px; animation: fade .2s;
}
@keyframes fade { from { opacity: 0; } }
.modal { background: var(--surface); border-radius: 18px; width: min(460px, 100%); max-height: 92vh; overflow: auto; box-shadow: var(--shadow-lg); position: relative; }
.modal.wide { width: min(760px, 100%); }
.modal-head { padding: 22px 24px 0; }
.modal-body { padding: 18px 24px 24px; }
.modal-close { position: absolute; top: 12px; right: 12px; }
.tabs { display: flex; background: var(--surface-2); border-radius: 999px; padding: 4px; gap: 4px; }
.tabs button { flex: 1; white-space: nowrap; padding-inline: 14px; border: 0; background: none; padding: 8px; border-radius: 999px; font-weight: 600; color: var(--muted); }
.tabs button.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.role-pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.role-pick label { border: 1.5px solid var(--border); border-radius: 12px; padding: 12px; cursor: pointer; text-align: center; }
.role-pick input { display: none; }
.role-pick label:has(input:checked) { border-color: var(--lava); background: rgba(212,98,26,.07); }
.role-pick .em { font-size: 1.6rem; display: block; }
.divider { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .85rem; margin: 14px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* Test de positionnement */
.qcm-opts { display: grid; gap: 8px; margin-top: 12px; }
.qcm-opt {
  text-align: left; border: 1.5px solid var(--border); background: #fff; border-radius: 10px; padding: 10px 14px; transition: all .15s;
}
.qcm-opt:hover { border-color: var(--amber); }
.qcm-opt.right { border-color: var(--ok); background: rgba(62,125,58,.08); }
.qcm-opt.wrong { border-color: var(--ko); background: rgba(179,38,30,.06); }
.progress { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--lava-grad); border-radius: 999px; transition: width .4s; }

/* ---------- Article (cours) ---------- */
.breadcrumb { font-size: .9rem; color: var(--muted); margin: 24px 0 8px; }
.breadcrumb a { color: var(--muted); }
.doc-head { display: flex; gap: 16px; align-items: start; justify-content: space-between; flex-wrap: wrap; margin-bottom: 20px; }
.doc { padding: 28px 34px; }
.doc h2 { margin-top: 1.6em; padding-bottom: 6px; border-bottom: 2px solid var(--surface-2); }
.doc h2:first-child { margin-top: 0; }
.box { border-radius: 12px; padding: 14px 18px; margin: 16px 0; border-left: 5px solid; }
.box .box-title { font-weight: 700; font-family: var(--font-title); margin-bottom: 4px; display: block; }
.box.def { background: rgba(244,174,82,.14); border-color: var(--amber); }
.box.thm { background: rgba(212,98,26,.09); border-color: var(--lava); }
.box.ex { background: #fff; border-color: var(--basalt); border: 1px dashed var(--border); border-left: 5px solid var(--basalt); }
.box.warn { background: rgba(42,26,14,.05); border-color: var(--basalt); }
.toc a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--text); font-size: .95rem; }
.toc a:hover, .toc a.active { background: var(--surface-2); text-decoration: none; }
.toc a.active { color: var(--lava); font-weight: 600; }
.formula-table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.formula-table th, .formula-table td { border: 1px solid var(--border); padding: 8px 12px; text-align: center; }
.formula-table th { background: var(--basalt); color: var(--cream); font-weight: 600; }
.formula-table tr:nth-child(even) td { background: rgba(244,174,82,.07); }

/* Graphe interactif */
.plot-wrap { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px; margin: 16px 0; }
.plot-wrap canvas { width: 100%; height: 300px; display: block; }
.plot-controls { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
input[type=range] { accent-color: var(--lava); flex: 1; min-width: 160px; }

/* Auteur */
.author { display: flex; gap: 12px; align-items: center; }
.author b { display: block; }

/* Verrou premium */
.premium-lock {
  position: relative; border-radius: 12px; overflow: hidden; margin: 16px 0;
}
.premium-lock .blur { filter: blur(5px); pointer-events: none; user-select: none; }
.premium-lock .overlay {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  background: linear-gradient(180deg, rgba(254,243,226,.3), rgba(254,243,226,.92));
}

.premium-lock.unlocked .blur { filter: none; pointer-events: auto; user-select: auto; }
.premium-lock.unlocked .overlay { display: none; }

/* ---------- Fiche d'exercices ---------- */
.exo { padding: 22px 26px; margin-bottom: 18px; }
.exo-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.exo-num { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--basalt); color: var(--amber); font-weight: 700; font-family: var(--font-title); }
.exo.done .exo-num { background: var(--ok); color: #fff; }
.q { border-top: 1px dashed var(--border); padding: 14px 0 4px; }
.q:first-of-type { border-top: 0; }
.answer-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.answer-row math-field, .math-input {
  min-width: 220px; flex: 1; max-width: 380px; border: 1.5px solid var(--border); border-radius: 10px; padding: 6px 10px; background: #fff; font-size: 1.15rem;
}
.answer-row math-field:focus-within { border-color: var(--amber); outline: none; box-shadow: 0 0 0 3px rgba(244,174,82,.25); }
.answer-row math-field.right { border-color: var(--ok); background: rgba(62,125,58,.06); }
.answer-row math-field.wrong { border-color: var(--ko); background: rgba(179,38,30,.05); }
.feedback { font-weight: 600; font-size: .95rem; }
.feedback.right { color: var(--ok); }
.feedback.wrong { color: var(--ko); }
.hint { margin-top: 10px; padding: 10px 14px; background: rgba(244,174,82,.14); border-radius: 10px; font-size: .95rem; }
.score-card { text-align: center; }
.score-big { font-family: var(--font-title); font-size: 2.6rem; color: var(--lava); line-height: 1; }
math-field::part(virtual-keyboard-toggle), math-field::part(menu-toggle) { display: none; }

/* ---------- Éditeur de formules ---------- */
.rich-editor { border: 1.5px solid var(--border); border-radius: 12px; background: #fff; overflow: hidden; }
.rich-editor:focus-within { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(244,174,82,.2); }
.re-toolbar { display: flex; gap: 4px; padding: 6px 8px; border-bottom: 1px solid var(--border); background: var(--surface); flex-wrap: wrap; align-items: center; }
.re-toolbar .icon-btn { width: 34px; height: 34px; font-weight: 700; }
.re-toolbar .sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; }
.re-formula-btn { background: var(--basalt); color: var(--amber); border: 0; border-radius: 8px; padding: 6px 12px; font-weight: 600; display: inline-flex; gap: 6px; align-items: center; }
.re-formula-btn:hover { background: #3d2717; }
.re-formula-btn.open { background: var(--lava); color: var(--cream); }
.re-content { min-height: 110px; padding: 12px 14px; outline: none; line-height: 1.8; }
.re-content:empty::before { content: attr(data-placeholder); color: #B49A80; }
.re-content .formula {
  display: inline-block; padding: 0 4px; margin: 0 1px; border-radius: 6px; background: rgba(244,174,82,.14);
  cursor: pointer; user-select: all; vertical-align: middle;
}
.re-content .formula:hover { background: rgba(244,174,82,.32); outline: 1px solid var(--amber); }
.re-content .formula.block { display: block; text-align: center; padding: 6px; margin: 6px 0; }
.formula-panel { border-bottom: 1px solid var(--border); background: #FFF6E8; padding: 12px; }
.formula-panel .fp-top { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.formula-panel math-field { flex: 1; min-width: 200px; font-size: 1.3rem; padding: 8px 12px; border: 1.5px solid var(--amber); border-radius: 10px; background: #fff; }
.palette-tabs { display: flex; gap: 4px; margin: 12px 0 8px; flex-wrap: wrap; }
.palette-tabs button { border: 0; background: none; padding: 5px 12px; border-radius: 999px; font-weight: 600; font-size: .85rem; color: var(--muted); }
.palette-tabs button.active { background: var(--basalt); color: var(--cream); }
.palette-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(54px, 1fr)); gap: 6px; }
.palette-grid button {
  height: 46px; border: 1px solid var(--border); background: #fff; border-radius: 9px; display: grid; place-items: center;
  font-size: .95rem; transition: all .1s; padding: 0; overflow: hidden;
}
.palette-grid button:hover { border-color: var(--lava); background: rgba(244,174,82,.12); transform: translateY(-1px); }
.palette-more { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: .82rem; }
.palette-collapsed .palette-grid { max-height: 104px; overflow: hidden; }

/* ---------- Mise en relation ---------- */
.tutor { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.tutor-head { display: flex; gap: 12px; align-items: center; }
.tutor-head b { font-size: 1.05rem; }
.online-dot { width: 10px; height: 10px; border-radius: 50%; background: #4CAF50; display: inline-block; box-shadow: 0 0 0 2px var(--surface); }
.price { font-family: var(--font-title); font-size: 1.15rem; color: var(--lava); font-weight: 600; }
.chat { display: flex; flex-direction: column; height: 620px; overflow: hidden; }
.chat-head { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; gap: 10px; align-items: center; }
.chat-msgs { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; background: #FFFCF7; }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 16px; font-size: .95rem; line-height: 1.6; }
.msg.them { background: var(--surface-2); border-bottom-left-radius: 4px; align-self: flex-start; }
.msg.me { background: var(--basalt); color: var(--cream); border-bottom-right-radius: 4px; align-self: flex-end; }
.msg.me .katex { color: var(--amber); }
.msg .time { display: block; font-size: .7rem; opacity: .6; margin-top: 2px; }
.chat-compose { border-top: 1px solid var(--border); padding: 10px; }
.chat-compose .rich-editor { border-radius: 10px; }
.chat-compose .re-content { min-height: 44px; max-height: 120px; overflow: auto; }
.chat-compose .formula-panel .palette-grid { grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); }
.conv-list a { display: flex; gap: 10px; align-items: center; padding: 10px; border-radius: 10px; color: inherit; }
.conv-list a:hover, .conv-list a.active { background: var(--surface-2); text-decoration: none; }
.conv-list .last { font-size: .82rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.badge-count { background: var(--lava); color: #fff; font-size: .72rem; font-weight: 700; border-radius: 999px; padding: 1px 7px; }

/* ---------- Forum ---------- */
.thread { display: flex; gap: 16px; padding: 16px 18px; color: inherit; border-bottom: 1px solid var(--border); }
.thread:last-child { border-bottom: 0; }
.thread:hover { background: rgba(244,174,82,.07); text-decoration: none; }
.votes { display: flex; flex-direction: column; align-items: center; min-width: 52px; gap: 2px; }
.votes b { font-family: var(--font-title); font-size: 1.15rem; }
.vote-btn { background: none; border: 0; color: var(--muted); padding: 2px 6px; border-radius: 6px; }
.vote-btn:hover { color: var(--lava); background: var(--surface-2); }
.vote-btn.on { color: var(--lava); }
.thread .answers-count { min-width: 64px; text-align: center; border-radius: 10px; padding: 6px; font-size: .8rem; height: fit-content; }
.thread .answers-count b { display: block; font-size: 1.1rem; }
.answers-count.solved { background: var(--ok); color: #fff; }
.answers-count.open { border: 1.5px solid var(--border); color: var(--muted); }
.thread h3 { margin: 0 0 4px; font-size: 1.05rem; color: var(--text); }
.thread .excerpt { color: var(--muted); font-size: .92rem; margin: 0 0 8px; }
.post { display: flex; gap: 16px; padding: 20px; }
.post + .post { border-top: 1px solid var(--border); }
.post.best { background: rgba(62,125,58,.05); border-left: 4px solid var(--ok); }
.post-body { flex: 1; min-width: 0; }
.post-meta { display: flex; gap: 8px; align-items: center; font-size: .88rem; color: var(--muted); margin-bottom: 8px; flex-wrap: wrap; }

/* ---------- Profil ---------- */
.profile-hero { background: var(--basalt); color: var(--cream); border-radius: var(--radius); padding: 28px; display: flex; gap: 22px; align-items: center; flex-wrap: wrap; position: relative; overflow: hidden; }
.profile-hero::after { content: ""; position: absolute; right: -60px; bottom: -80px; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, rgba(212,98,26,.6), transparent 70%); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.kpi { padding: 16px; }
.kpi b { font-family: var(--font-title); font-size: 1.7rem; display: block; color: var(--lava); }
.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; }
.badge { text-align: center; padding: 14px 8px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.badge .em { font-size: 2rem; display: block; }
.badge.locked { opacity: .4; filter: grayscale(1); }
.skill-bar { display: grid; grid-template-columns: 150px 1fr 44px; gap: 12px; align-items: center; margin: 8px 0; font-size: .95rem; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.plan { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.plan.featured { background: var(--basalt); color: var(--cream); border-color: var(--basalt); position: relative; }
.plan.featured .muted { color: rgba(254,243,226,.65); }
.plan .amount { font-family: var(--font-title); font-size: 2.2rem; font-weight: 600; }
.plan ul { list-style: none; padding: 0; margin: 6px 0 12px; display: grid; gap: 8px; }
.plan li::before { content: "✓"; color: var(--lava); font-weight: 700; margin-right: 8px; }
.plan.featured li::before { color: var(--amber); }
.plan li.no { opacity: .5; }
.plan li.no::before { content: "–"; }

/* ---------- Publier ---------- */
.type-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.type-pick label { border: 1.5px solid var(--border); border-radius: 12px; padding: 16px; cursor: pointer; background: var(--surface); }
.type-pick input { display: none; }
.type-pick label:has(input:checked) { border-color: var(--lava); box-shadow: 0 0 0 3px rgba(212,98,26,.15); }
.type-pick .em { font-size: 1.6rem; }
.preview-box { padding: 20px 24px; min-height: 120px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .layout-side, .layout-side-r { grid-template-columns: 1fr; }
  .sticky { position: static; }
  .hide-md { display: none !important; }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .main-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--basalt); flex-direction: column; padding: 10px 16px 16px; }
  .main-nav.open { display: flex; }
  .header-actions .btn-label, .points-pill { display: none; }
  .doc { padding: 20px; }
  .type-pick { grid-template-columns: 1fr; }
  .skill-bar { grid-template-columns: 110px 1fr 40px; }
}

/* ---------- Barrière Premium (mise en relation) ---------- */
.gate {
  display: flex; gap: 20px; align-items: center; flex-wrap: wrap; padding: 24px 28px; margin: 8px 0 20px;
  border: 1.5px solid var(--amber); background: linear-gradient(90deg, rgba(244,174,82,.22), var(--surface));
}
.gate-ico { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; font-size: 1.8rem; background: var(--basalt); flex: none; }
.gated {
  filter: blur(4px); pointer-events: none; user-select: none; max-height: 640px; overflow: hidden;
  -webkit-mask-image: linear-gradient(#000 35%, transparent); mask-image: linear-gradient(#000 35%, transparent);
}

/* ---------- MagIA : assistant IA (Premium) ---------- */
.ai-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 150; border: 0; border-radius: 999px;
  display: flex; align-items: center; gap: 8px; padding: 12px 18px 12px 14px;
  background: var(--basalt); color: var(--amber); font-weight: 700; font-family: var(--font-title); font-size: 1.05rem;
  box-shadow: 0 8px 28px rgba(212,98,26,.45), 0 0 0 3px rgba(244,174,82,.35);
  transition: transform .15s;
}
.ai-fab:hover { transform: translateY(-2px) scale(1.03); }
.ai-fab svg { animation: aiPulse 2.4s ease-in-out infinite; }
@keyframes aiPulse { 50% { transform: scale(1.15) rotate(12deg); color: var(--lava); } }
.ai-panel {
  position: fixed; right: 22px; bottom: 84px; z-index: 160; width: min(410px, calc(100vw - 32px)); height: min(640px, calc(100vh - 110px));
  background: var(--surface); border-radius: 20px; box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden; animation: toastIn .2s ease;
}
.ai-head { display: flex; gap: 10px; align-items: center; padding: 14px 14px 14px 16px; background: var(--basalt); color: var(--cream); }
.ai-head .icon-btn { color: var(--cream); }
.ai-head .icon-btn:hover { background: rgba(254,243,226,.1); }
.ai-logo { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--lava-grad); color: var(--basalt); flex: none; }
.ai-logo.big { width: 60px; height: 60px; border-radius: 18px; margin: 0 auto 10px; }
.ai-body { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: #FFFCF7; }
.ai-msg { padding: 10px 14px; border-radius: 16px; font-size: .93rem; line-height: 1.55; max-width: 92%; }
.ai-msg.me { align-self: flex-end; background: var(--basalt); color: var(--cream); border-bottom-right-radius: 4px; }
.ai-msg.bot { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.ai-exos { display: grid; gap: 8px; margin-top: 10px; }
.ai-exo { background: rgba(244,174,82,.12); border-left: 4px solid var(--amber); border-radius: 8px; padding: 8px 10px; display: grid; gap: 4px; }
.ai-exo .tag { width: fit-content; }
.ai-src { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--border); align-items: center; }
.ai-src-item { font-size: .76rem; background: var(--surface-2); border-radius: 8px; padding: 2px 8px; }
.ai-src-item em { font-style: normal; color: var(--lava); font-weight: 600; margin-left: 5px; }
.ai-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.ai-typing { display: flex; align-items: center; gap: 8px; }
.dots { display: inline-flex; gap: 3px; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--lava); animation: dot 1s infinite; }
.dots i:nth-child(2) { animation-delay: .15s; } .dots i:nth-child(3) { animation-delay: .3s; }
@keyframes dot { 50% { opacity: .2; transform: translateY(-3px); } }
.ai-compose { border-top: 1px solid var(--border); padding: 10px; }
.ai-compose:empty { display: none; }
.ai-suggest { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px; }
.ai-suggest button { flex: none; border: 1.5px solid var(--border); background: #fff; border-radius: 999px; padding: 5px 12px; font-size: .82rem; font-weight: 500; }
.ai-suggest button:hover { border-color: var(--amber); }
.ai-input { display: flex; gap: 8px; }
.ai-input input { flex: 1; border: 1.5px solid var(--border); border-radius: 999px; padding: 8px 14px; outline: none; min-width: 0; }
.ai-input input:focus { border-color: var(--amber); }
.ai-disclaimer { font-size: .72rem; color: var(--muted); margin: 6px 0 0; text-align: center; }
.ai-locked { padding: 6px 4px; }
.ai-locked h3 { text-align: center; }
.ai-locked ul { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 8px; font-size: .9rem; }
.ai-preview { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; padding: 10px; border-radius: 12px; background: var(--surface-2); }
.blur-txt { filter: blur(3px); user-select: none; }
@media (max-width: 760px) { .ai-fab-label { display: none; } .ai-fab { padding: 12px; } }

/* Échange de points : le texte peut passer sur 2 lignes, le bouton reste aligné à droite */
.reward-row { flex-wrap: nowrap; }
.reward-row > span:first-child { flex: 1; min-width: 0; }
.reward-row > .spacer { display: none; }
.reward-row > .btn { flex: none; }

/* Boutique d'avatars */
.avatar-shop { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 8px; }
.av-item { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 10px 4px 8px; border: 1.5px solid var(--border); background: #fff; border-radius: 12px; transition: all .15s; }
.av-item .avatar { width: 42px; height: 42px; font-size: 1.3rem; margin-bottom: 4px; }
.av-item:hover:not(:disabled) { border-color: var(--amber); transform: translateY(-2px); }
.av-item.on { border-color: var(--lava); background: rgba(212,98,26,.07); }
.av-item.rare { border-color: var(--amber); background: linear-gradient(180deg, rgba(244,174,82,.2), #fff); }
.av-item:disabled { opacity: .5; cursor: not-allowed; }
.btn:disabled { opacity: .45; cursor: not-allowed; }