/* Cartes de révision styles */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-warm); color: var(--ink-900); font-family: var(--font-sans); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- Logo ----------- */
.cm-logo { display: inline-flex; align-items: center; gap: 8px; }
.cm-logo__mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--saffron-400);
  font-family: var(--font-display); font-weight: 900; font-size: 18px; color: var(--ink-950);
  display: grid; place-items: center; position: relative; overflow: hidden;
  box-shadow: 0 6px 14px rgba(217,154,11,.32);
}
.cm-logo__mark::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--coral-500); }
.cm-logo__word { font-family: var(--font-display); font-weight: 800; font-size: 15px; letter-spacing: -0.01em; color: var(--ink-950); }

/* ---------- Nav ---------- */
.mm-nav { background: #fff; border-bottom: 1px solid var(--divider); position: sticky; top: 0; z-index: 30; }
.mm-nav__inner { max-width: 1400px; margin: 0 auto; padding: 8px 24px; display: flex; align-items: center; gap: 12px; }
.mm-nav__right { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.mm-nav__link { font-size: 12.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-700); }
.mm-nav__link:hover { color: var(--coral-500); }
.mm-nav__email { font-size: 12px; color: var(--fg-tertiary); }

/* -- User menu (avatar + hamburger) -- */
.mm-usermenu { position: relative; display: flex; align-items: center; gap: 10px; margin-left: auto; }
.mm-usermenu__avatar { width: 34px; height: 34px; border-radius: 999px; object-fit: cover; }
.mm-usermenu__initials { width: 34px; height: 34px; border-radius: 999px; background: var(--coral-500, #e85d4a); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; flex-shrink: 0; }
.mm-usermenu__toggle { background: none; border: 1px solid var(--divider, #e0e0e0); border-radius: 8px; padding: 6px 8px; cursor: pointer; display: flex; align-items: center; color: var(--ink-700, #333); }
.mm-usermenu__toggle:hover { background: var(--bg-secondary, #f5f5f5); }
.mm-usermenu__dropdown { display: none; position: absolute; top: calc(100% + 8px); right: 0; background: #fff; border: 1px solid var(--divider, #e0e0e0); border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.12); min-width: 220px; padding: 8px 0; z-index: 50; }
.mm-usermenu__dropdown.is-open { display: block; }
.mm-usermenu__dropdown a { display: flex; align-items: center; gap: 10px; padding: 10px 18px; font-size: 14px; font-weight: 500; color: var(--ink-700, #333); text-decoration: none; transition: background .15s; }
.mm-usermenu__dropdown a:hover { background: var(--bg-secondary, #f5f5f5); color: var(--coral-500, #e85d4a); }
.mm-usermenu__dropdown a svg { width: 18px; height: 18px; flex-shrink: 0; opacity: .6; }
.mm-usermenu__sep { height: 1px; background: var(--divider, #e0e0e0); margin: 6px 0; }
.mm-usermenu__name { padding: 10px 18px 4px; font-size: 13px; font-weight: 600; color: var(--ink-700, #333); }
.mm-usermenu__email { padding: 0 18px 8px; font-size: 12px; color: var(--fg-tertiary, #888); }

/* ---------- WhatsApp float ---------- */
.mm-whatsapp {
  position: fixed; right: 22px; bottom: 22px;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 14px 32px rgba(37,211,102,.45);
  transition: transform 160ms;
  z-index: 40;
}
.mm-whatsapp:hover { transform: scale(1.06); }


/* ============================================================
   Cartes de révision (cr-*)
   ============================================================ */

.cr-page { min-height: 100vh; padding-bottom: 80px; }
.cr-wrap { max-width: 1400px; margin: 22px auto 0; padding: 0 24px; display: flex; flex-direction: column; gap: 18px; }

/* ---------- Access banner ---------- */
.cr-access {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(120deg, #F5C548 0%, var(--saffron-400) 60%, #F5C548 100%);
  color: var(--ink-950);
  padding: 14px 22px;
  border-radius: 16px;
  position: relative; overflow: hidden;
  box-shadow: 0 14px 32px rgba(217,154,11,.25);
}
.cr-access::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--coral-500); }
.cr-access__icon {
  flex: 0 0 36px; height: 36px; border-radius: 10px;
  background: var(--ink-950); color: var(--saffron-400);
  display: grid; place-items: center;
}
.cr-access__copy { flex: 1; font-size: 14px; line-height: 1.4; }
.cr-access__cta {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--ink-950); color: #fff;
  font-size: 12.5px; font-weight: 800; letter-spacing: 0.04em;
  padding: 10px 16px; border-radius: 999px; white-space: nowrap;
  transition: all 160ms;
}
.cr-access__cta:hover { transform: translateY(-1px); box-shadow: 0 12px 24px rgba(20,18,10,.25); }

/* ---------- Filters ---------- */
.cr-filters {
  background: #fff;
  border: 1px solid var(--saffron-100);
  border-radius: 18px;
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 12px;
}
.cr-search {
  display: flex; align-items: center; gap: 10px;
  background: #FFFDF6; border: 1px solid var(--saffron-100);
  border-radius: 12px; padding: 10px 14px;
}
.cr-search svg { color: var(--fg-tertiary); flex-shrink: 0; }
.cr-search input { flex: 1; border: none; background: transparent; outline: none; font-family: inherit; font-size: 14px; color: var(--ink-900); }
.cr-search input::placeholder { color: var(--fg-muted); }

.cr-pillrow { display: flex; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.cr-pillrow__h { flex: 0 0 70px; font-size: 10.5px; font-weight: 800; letter-spacing: 0.18em; color: var(--fg-tertiary); padding-top: 7px; }
.cr-pills { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; min-width: 0; }
.cr-pill {
  background: #FFFDF6; border: 1px solid var(--saffron-100); border-radius: 999px;
  padding: 6px 14px; font-family: var(--font-sans); font-weight: 600; font-size: 12.5px;
  color: var(--ink-800); cursor: pointer; transition: all 140ms; white-space: nowrap;
}
.cr-pill:hover { border-color: var(--saffron-300); }
.cr-pill.is-on { background: var(--ink-950); border-color: var(--ink-950); color: #fff; }
.cr-pill--theme { font-size: 11.5px; padding: 5px 12px; }

/* ---------- Results counter ---------- */
.cr-count { font-size: 12px; color: var(--fg-tertiary); padding: 0 2px; }
.cr-count b { color: var(--ink-950); }

/* ---------- Card grid ---------- */
.cr-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.cr-empty { grid-column: 1/-1; padding: 40px 20px; text-align: center; color: var(--fg-tertiary); font-size: 14px; }

/* ---------- Card ---------- */
.cr-card {
  position: relative; background: #fff;
  border: 1px solid var(--saffron-100); border-top: none;
  border-radius: 14px; padding: 14px 16px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: 0 1px 0 rgba(20,18,10,.04); overflow: hidden;
  transition: transform 160ms, box-shadow 160ms;
  content-visibility: auto;
  contain-intrinsic-size: auto 280px;
}
.cr-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(20,18,10,.08); }
.cr-card__strip { position: absolute; left: 0; right: 0; top: 0; height: 4px; }
.cr-card--red    .cr-card__strip { background: var(--coral-500); }
.cr-card--green  .cr-card__strip { background: var(--success); }
.cr-card--blue   .cr-card__strip { background: var(--navy-600); }
.cr-card--saffron .cr-card__strip { background: var(--saffron-400); }

.cr-card__head { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.cr-tag {
  font-size: 9.5px; font-weight: 800; letter-spacing: 0.10em;
  padding: 3px 7px; border-radius: 999px; text-transform: uppercase; white-space: nowrap;
}
.cr-tag--red     { background: var(--coral-50); color: var(--coral-600); }
.cr-tag--green   { background: #E6F4E9; color: var(--success); }
.cr-tag--blue    { background: var(--navy-50); color: var(--navy-600); }
.cr-tag--saffron { background: var(--saffron-100); color: var(--saffron-700); }
.cr-tag--subject { background: var(--ink-100); color: var(--ink-700); letter-spacing: 0.06em; }
.cr-tag--free    { background: var(--success); color: #fff; }
.cr-card__stars  { color: var(--saffron-400); display: inline-flex; gap: 1px; align-items: center; }
.cr-card__theme  { font-size: 10.5px; color: var(--fg-tertiary); font-weight: 500; margin-left: auto; text-align: right; max-width: 50%; line-height: 1.3; }
.cr-card__title  { font-family: var(--font-display); font-weight: 800; font-size: 17px; line-height: 1.25; letter-spacing: -0.01em; color: var(--ink-950); margin: 6px 0 4px; }
.cr-card__desc   { font-size: 12.5px; line-height: 1.5; color: var(--fg-secondary); margin: 0 0 6px; }

/* ---------- Card sections ---------- */
.cr-sec { border-radius: 10px; padding: 10px 12px; font-size: 11.5px; line-height: 1.55; color: var(--ink-900); }
.cr-sec--formula { background: #EEF0FA; }
.cr-sec--example { background: #E6F2E9; }
.cr-sec--trap    { background: #FBEAD9; }
.cr-sec--memo    { background: #E0F4F1; }
.cr-sec__h {
  display: flex; align-items: center; gap: 6px;
  font-size: 9px; font-weight: 800; letter-spacing: 0.18em;
  text-transform: uppercase; margin-bottom: 4px;
}
.cr-sec--formula .cr-sec__h { color: var(--navy-600); }
.cr-sec--example .cr-sec__h { color: var(--success); }
.cr-sec--trap    .cr-sec__h { color: var(--coral-600); }
.cr-sec--memo    .cr-sec__h { color: var(--teal-800); }
.cr-sec__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.cr-sec__body { color: var(--ink-900); white-space: pre-wrap; }
/* KaTeX inside formula sections */
.cr-sec--latex .cr-sec__body { white-space: normal; }
.cr-sec--latex .katex-display { margin: 6px 0; overflow-x: auto; overflow-y: hidden; }
.cr-sec--latex .katex { font-size: 1em; }
.cr-sec b { color: var(--ink-950); font-weight: 700; }

.cr-card__foot {
  font-size: 10px; color: var(--fg-tertiary);
  border-top: 1px dashed var(--divider);
  padding-top: 8px; margin-top: 4px; line-height: 1.45;
}

/* ---------- Lock overlay (no-access cards) ---------- */
.cr-card.is-locked { cursor: default; }
.cr-card.is-locked .cr-card__desc,
.cr-card.is-locked .cr-sec,
.cr-card.is-locked .cr-card__foot { filter: blur(3px); pointer-events: none; user-select: none; }
.cr-lock {
  position: absolute; inset: 0; z-index: 5;
  background: rgba(255,253,246,.60);
  backdrop-filter: blur(1px);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
}
.cr-lock__btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--ink-950); color: #fff;
  font-size: 12px; font-weight: 800; letter-spacing: 0.04em;
  padding: 10px 18px; border-radius: 999px;
  text-decoration: none; transition: all 160ms;
  box-shadow: 0 10px 24px rgba(20,18,10,.28);
}
.cr-lock__btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(20,18,10,.35); }

/* ============================================================
   Simulateurs Physique section (cr-sims)
   ============================================================ */
.cr-sims {
  background: #fff;
  border: 1px solid var(--saffron-100);
  border-radius: 18px;
  overflow: hidden;
}
.cr-sims__toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; background: none; border: none; cursor: pointer;
  font-family: inherit;
}
.cr-sims__toggle-left { display: flex; align-items: center; gap: 10px; }
.cr-sims__dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.cr-sims__toggle-title {
  font-family: var(--font-display); font-weight: 700; font-size: 17px;
  color: var(--ink-950); letter-spacing: -0.01em;
}
.cr-sims__toggle-count {
  font-family: var(--font-mono, monospace); font-size: 12px; font-weight: 600;
  color: var(--fg-tertiary); opacity: .7;
}
.cr-sims__chevron {
  color: var(--ink-500); transition: transform 200ms ease;
}
.cr-sims__toggle[aria-expanded="false"] .cr-sims__chevron {
  transform: rotate(-90deg);
}
.cr-sims__body {
  padding: 0 18px 18px;
  transition: none;
}
.cr-sims__body.is-hidden { display: none; }
.cr-sims__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

/* -- Simulator card -- */
.cr-sim-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--saffron-100);
  border-radius: 14px; text-decoration: none;
  transition: transform 160ms cubic-bezier(0.2,0.7,0.2,1), box-shadow 160ms;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(20,18,10,.08);
}
.cr-sim-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(20,18,10,.10), 0 2px 6px rgba(20,18,10,.06);
}
.cr-sim-card__strip {
  position: absolute; left: 0; right: 0; top: 0; height: 3px; z-index: 1;
}
.cr-sim-card__canvas {
  width: 100%; height: 150px; display: block;
  background: #FFFDF6; border-bottom: 1px solid var(--ink-100, #F2F3F5);
}
.cr-sim-card__body {
  display: flex; flex-direction: column; gap: 5px;
  padding: 12px 14px 12px;
}
.cr-sim-card__title {
  font-family: var(--font-sans); font-weight: 700; font-size: 14px;
  line-height: 1.25; color: var(--ink-950); letter-spacing: -0.01em;
}
.cr-sim-card__desc {
  font-size: 12px; line-height: 1.45; color: var(--fg-secondary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cr-sim-card__foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; margin-top: 4px;
}
.cr-sim-card__formula {
  font-family: var(--font-mono, monospace); font-size: 11.5px; font-weight: 500;
  background: var(--enonce-bg, #FFF1C4); color: var(--ink-900);
  padding: 3px 8px; border-radius: 6px; white-space: nowrap;
}
.cr-sim-card__params {
  font-size: 11px; color: var(--fg-tertiary); white-space: nowrap;
}

/* -- Locked simulator card -- */
.cr-sim-card.is-locked { cursor: default; }
.cr-sim-card.is-locked .cr-sim-card__canvas,
.cr-sim-card.is-locked .cr-sim-card__desc,
.cr-sim-card.is-locked .cr-sim-card__foot { filter: blur(3px); pointer-events: none; user-select: none; }
.cr-sim-lock {
  position: absolute; inset: 0; z-index: 5;
  background: rgba(255,253,246,.55);
  backdrop-filter: blur(1px);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .cr-wrap { padding: 0 14px; gap: 14px; }
  .cr-pillrow__h { flex-basis: 100%; padding-top: 0; }
  .cr-grid { grid-template-columns: 1fr; gap: 12px; }
  .cr-sims__grid { grid-template-columns: 1fr; }
  .cr-access { flex-direction: column; align-items: flex-start; }
}