/* Page Matières (/matieres), inspirée de revisiondojo.com/ib : contexte (collège, lycée général, technologique),
   onglets par classe, cartes de matières par groupe. Générée par server/tools/matieres-page.mjs. */
.mt-ctx { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding-top: 64px; }
.mt-info { padding: 24px; border-radius: 20px; background: var(--soft); }
.mt-info h3 { margin: 14px 0 8px; font-family: var(--display); font-size: 20px; font-weight: 700; letter-spacing: -.4px; }
.mt-info p { margin: 0; font-size: 15px; line-height: 23px; color: #525252; }
.tp-ic { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; }
.tp-ic .ic { width: 22px; height: 22px; }
.tp-ic.lav { background: #ede9fe; color: #6d28d9; } .tp-ic.mint { background: #dcfce7; color: #15803d; } .tp-ic.blue { background: #e0f2fe; color: #0369a1; }

.mt-tabs { position: sticky; top: 72px; z-index: 5; display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; width: max-content; max-width: 100%;
  margin: 28px auto 8px; padding: 5px; border-radius: 999px; background: rgba(245,245,245,.92); backdrop-filter: blur(8px); border: 1px solid var(--border); }
.mt-tabs a { padding: 8px 18px; border-radius: 999px; font-weight: 600; font-size: 15px; color: var(--muted); }
.mt-tabs a.on { background: #fff; color: var(--ink); box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.mt-panel { padding-top: 36px; scroll-margin-top: 130px; }
.js-tabs .mt-panel:not(.on) { display: none; }
.mt-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.mt-head h2 { margin: 0; font-family: var(--display); font-size: 32px; font-weight: 700; letter-spacing: -1.2px; }
.mt-head span { color: var(--muted); font-size: 15px; }
.mt-group { margin-top: 28px; }
.mt-group h3 { margin: 0 0 14px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: #525252; font-weight: 700; }
.mt-group h3 small { margin-left: 6px; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--muted); font-size: 13px; }
.mt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.mt-card { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 16px; background: #fff; border: 1.5px solid var(--border);
  transition: border-color .15s, transform .15s, box-shadow .15s; }
.mt-card:hover { border-color: var(--c); transform: translateY(-2px); box-shadow: 0 10px 24px -14px var(--c); }
.mt-ic { flex: none; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; overflow: hidden;
  background: linear-gradient(135deg, color-mix(in srgb, var(--c) 30%, #fff), var(--c)); }
.mt-ic img { width: 120%; height: 120%; object-fit: cover; }
.mt-ic b { color: #fff; font-family: var(--display); font-size: 22px; font-weight: 800; }
.mt-t { min-width: 0; } .mt-t b { display: block; font-size: 15.5px; line-height: 20px; color: var(--ink); }
.mt-t small { display: block; margin-top: 2px; font-size: 13px; color: var(--muted); }
@media (max-width: 820px) { .mt-ctx { grid-template-columns: 1fr; } .mt-tabs { top: 64px; } .mt-head h2 { font-size: 26px; } }

/* ===== Page /matieres : reproduction du design de revisiondojo.com/ib (relevé le 20/10/2026) ===== */
.mx-wrap { max-width: 992px; margin: 0 auto; padding: 0 16px; }
.mx-h1 { margin: 96px 0 0; text-align: center; font-family: var(--display); font-weight: 600; font-size: 38px; line-height: 44px; letter-spacing: -1.6px; }
.mx-sub { margin: 18px 0 40px; text-align: center; font-size: 16.5px; color: #737373; }
.mx-g { margin: 44px 0 0; font-size: 19px; font-weight: 400; color: var(--ink); }
.mx-p { margin: 20px 0 0; font-size: 17.5px; line-height: 32px; color: #737373; }
.mx-p b { color: var(--ink); font-weight: 600; }
.mx-jump { position: sticky; top: 64px; z-index: 5; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 36px auto 0; width: max-content; max-width: 100%;
  padding: 5px; border-radius: 999px; background: rgba(245,245,245,.92); backdrop-filter: blur(8px); border: 1px solid var(--border); }
.mx-jump a { padding: 7px 16px; border-radius: 999px; font-size: 15px; font-weight: 600; color: #525252; } .mx-jump a:hover { background: #fff; color: var(--ink); }
.mx-level { scroll-margin-top: 120px; padding-top: 40px; }
.mx-level > h2 { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 24px 0 0; padding-bottom: 12px; border-bottom: 1px solid var(--line);
  font-family: var(--display); font-weight: 600; font-size: 30px; letter-spacing: -1.2px; }
.mx-level > h2 small { font-family: var(--sans); font-size: 15px; font-weight: 400; letter-spacing: 0; color: #737373; }
.mx-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 20px; }
.mx-tile { display: grid; place-items: center; aspect-ratio: 186 / 228; border-radius: 14px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 16%, #fff), color-mix(in srgb, var(--c) 26%, #fff)); transition: transform .15s; }
.mx-tile:hover { transform: translateY(-3px); }
.mx-tile span { position: relative; width: 68%; aspect-ratio: 126 / 170; border-radius: 9px; overflow: hidden; border: 3px solid #fff;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 45%, #fff), var(--c)); box-shadow: 0 12px 24px -10px color-mix(in srgb, var(--c) 70%, #000); }
.mx-tile img { width: 100%; height: 100%; object-fit: cover; }
.mx-tile i { position: absolute; left: 4px; right: 4px; bottom: 9px; text-align: center; font-style: normal; font-family: var(--display); font-weight: 800; font-size: 15px; line-height: 15px;
  letter-spacing: -.04em; color: #fff; text-shadow: 0 1px 0 rgba(0,0,0,.25), 0 0 8px rgba(0,0,0,.18); overflow-wrap: anywhere; }
.mx-ini { display: grid; place-items: center; height: 100%; padding-bottom: 30px; color: #fff; font-family: var(--display); font-size: 48px; }
@media (max-width: 860px) { .mx-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .mx-h1 { margin-top: 40px; font-size: 30px; line-height: 36px; } }
@media (max-width: 480px) { .mx-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .mx-p { font-size: 16px; line-height: 27px; } }
.mx-tile span::after { content: ''; position: absolute; inset: auto 0 0; height: 46%; background: linear-gradient(transparent, color-mix(in srgb, var(--c) 85%, #000)); }
.mx-tile i { z-index: 1; }