/* ═══════════════════════════════════════════════════════════════
   QCM CACES® R.482 — Lycée Pierre-Joël Bonté (navy + orange)
   CSS moderne : custom properties, color-mix, :has(), container
   queries, view transitions, conic-gradient, clamp fluide.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --navy: #1f4e79;
  --blue: #2e75b6;
  --orange: #f59f00;
  --orange-soft: #ffd43b;
  --ok: #2b8a3e;
  --ko: #c92a2a;
  --bg: #eef3f9;
  --card: #ffffff;
  --ink: #14283c;
  --muted: #5a6c7f;
  --line: color-mix(in srgb, var(--navy) 14%, transparent);
  --shadow: 0 10px 30px -12px color-mix(in srgb, var(--navy) 45%, transparent);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1723;
    --card: #14243a;
    --ink: #e8eef5;
    --muted: #9db2c7;
    --line: color-mix(in srgb, #ffffff 14%, transparent);
    --shadow: 0 12px 34px -12px rgb(0 0 0 / .6);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1100px 500px at 85% -10%, color-mix(in srgb, var(--orange) 22%, transparent), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, color-mix(in srgb, var(--blue) 26%, transparent), transparent 55%),
    var(--bg);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

::selection { background: color-mix(in srgb, var(--orange) 45%, transparent); }

/* ── header / footer ─────────────────────────────── */
header.site {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem clamp(1rem, 4vw, 2.4rem);
  background: linear-gradient(100deg, var(--navy), var(--blue) 70%);
  color: #fff;
  box-shadow: var(--shadow);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: .8rem; }
.brand small { display: block; opacity: .85; }
.badge {
  display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 800;
  border: 3px solid var(--orange);
  letter-spacing: .5px;
}
.chrono {
  font-variant-numeric: tabular-nums;
  background: rgb(255 255 255 / .14);
  border: 1px solid rgb(255 255 255 / .25);
  padding: .35rem .8rem; border-radius: 99px; font-weight: 600;
  backdrop-filter: blur(6px);
}
footer.site {
  margin-top: auto;
  padding: 1.1rem clamp(1rem, 4vw, 2.4rem);
  color: var(--muted); font-size: .82rem; text-align: center;
}

/* ── layout ──────────────────────────────────────── */
main {
  width: min(880px, 100% - 2rem);
  margin-inline: auto;
  padding-block: clamp(1.2rem, 3vw, 2.4rem);
  container-type: inline-size;
}
.card {
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3.5vw, 2.2rem);
}

/* ── accueil ─────────────────────────────────────── */
.hero h1 {
  margin: 0 0 .4rem;
  font-size: clamp(1.9rem, 5.5vw, 3rem);
  line-height: 1.05;
  color: var(--navy);
}
@media (prefers-color-scheme: dark) { .hero h1 { color: #cfe3ff; } }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(92deg, var(--orange), var(--orange-soft));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { color: var(--muted); max-width: 60ch; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
@container (max-width: 540px) { .grid2 { grid-template-columns: 1fr; } }

label { display: grid; gap: .3rem; font-weight: 600; font-size: .92rem; }
input[type="text"], input:not([type]) {
  padding: .7rem .9rem; font-size: 1rem;
  border-radius: 12px; border: 1.5px solid var(--line);
  background: var(--card); color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input:focus-visible {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 22%, transparent);
}

.modes { border: 0; padding: 0; margin: 1.2rem 0; display: grid; gap: .6rem; }
.modes legend { font-weight: 700; margin-bottom: .5rem; }
.mode {
  display: block; cursor: pointer;
}
.mode input { position: absolute; opacity: 0; }
.mode span {
  display: grid; gap: .1rem;
  padding: .8rem 1rem; border-radius: 14px;
  border: 1.5px solid var(--line);
  transition: border-color .15s, background .15s, transform .12s;
}
.mode small { color: var(--muted); font-weight: 500; }
.mode:has(input:checked) span {
  border-color: var(--orange);
  background: color-mix(in srgb, var(--orange) 12%, transparent);
}
.mode:hover span { transform: translateY(-1px); }

.cta {
  appearance: none; border: 0; cursor: pointer;
  font: inherit; font-weight: 700; color: #fff;
  background: linear-gradient(95deg, var(--orange), #e8590c);
  padding: .85rem 1.6rem; border-radius: 99px;
  box-shadow: 0 8px 20px -8px color-mix(in srgb, #e8590c 70%, transparent);
  transition: transform .12s, filter .15s;
}
.cta:hover { transform: translateY(-2px); filter: brightness(1.06); }
.cta:active { transform: translateY(0); }
.cta:disabled { filter: grayscale(.6); cursor: default; transform: none; }
.ghost {
  appearance: none; font: inherit; cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1.5px solid var(--line); border-radius: 99px;
  padding: .6rem 1.2rem; margin-top: 1rem;
}

.themes-intro {
  list-style: none; display: flex; flex-wrap: wrap; gap: 1rem;
  margin: 1rem 0 0; padding: 1.1rem 1.4rem; justify-content: space-between;
}
.themes-intro li { display: grid; justify-items: center; gap: .1rem; font-size: .8rem; color: var(--muted); text-align: center; }
.themes-intro b {
  font-size: 1.25rem; color: var(--navy);
  background: color-mix(in srgb, var(--orange) 18%, transparent);
  border-radius: 10px; padding: .15rem .55rem;
}
@media (prefers-color-scheme: dark) { .themes-intro b { color: #ffd8a8; } }

/* ── quiz ────────────────────────────────────────── */
.quiz-head {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; margin-bottom: .5rem;
}
.chip {
  background: color-mix(in srgb, var(--blue) 15%, transparent);
  color: var(--blue); font-size: .8rem; font-weight: 700;
  padding: .25rem .7rem; border-radius: 99px;
}
.bar {
  height: 8px; border-radius: 99px; margin-bottom: 1rem;
  background: color-mix(in srgb, var(--navy) 12%, transparent);
  overflow: hidden; position: relative;
}
.bar::after {
  content: ""; position: absolute; inset: 0 auto 0 0;
  width: var(--p, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  transition: width .35s cubic-bezier(.4, 0, .2, 1);
}

.q-card { display: grid; gap: 1.1rem; }
#q-fig {
  margin: 0; display: grid; place-items: center;
}
#q-img {
  max-width: min(440px, 100%); max-height: 320px;
  border-radius: 14px; border: 1px solid var(--line);
  box-shadow: var(--shadow);
  animation: pop .35s cubic-bezier(.34, 1.4, .64, 1);
}
@keyframes pop { from { opacity: 0; transform: scale(.96); } }

#q-text { margin: 0; font-size: clamp(1.05rem, 2.6vw, 1.3rem); line-height: 1.35; }

.options { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.opt {
  width: 100%; text-align: left; cursor: pointer;
  display: flex; align-items: center; gap: .8rem;
  font: inherit; color: var(--ink);
  background: var(--card);
  border: 1.5px solid var(--line); border-radius: 14px;
  padding: .75rem .9rem;
  transition: border-color .12s, transform .12s, background .12s;
}
.opt:hover:not(:disabled) { border-color: var(--blue); transform: translateX(4px); }
.opt .key {
  flex: 0 0 auto; display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 9px;
  background: color-mix(in srgb, var(--navy) 10%, transparent);
  font-weight: 800; color: var(--blue); font-size: .85rem;
}
.opt.is-good { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.opt.is-good .key { background: var(--ok); color: #fff; }
.opt.is-bad { border-color: var(--ko); background: color-mix(in srgb, var(--ko) 10%, transparent); }
.opt.is-bad .key { background: var(--ko); color: #fff; }
.opt.is-picked { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); }
.opt:disabled { cursor: default; }

.feedback {
  margin: 0; padding: .8rem 1rem; border-radius: 12px; line-height: 1.45;
}
.feedback.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); border-left: 4px solid var(--ok); }
.feedback.ko { background: color-mix(in srgb, var(--ko) 10%, transparent); border-left: 4px solid var(--ko); }

.kbd-hint { text-align: center; color: var(--muted); font-size: .8rem; }
kbd {
  background: var(--card); border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 6px; padding: 0 .4rem; font-family: inherit;
}

/* ── résultats ───────────────────────────────────── */
.res-card { display: grid; gap: 1.2rem; }
.res-top { display: flex; gap: 1.6rem; align-items: center; flex-wrap: wrap; }
.ring {
  --v: 0;
  width: 132px; height: 132px; border-radius: 50%;
  display: grid; place-items: center;
  background:
    radial-gradient(closest-side, var(--card) 78%, transparent 79% 100%),
    conic-gradient(var(--orange) calc(var(--v) * 1%), color-mix(in srgb, var(--navy) 14%, transparent) 0);
  font-size: 1.7rem; font-weight: 800; color: var(--navy);
  transition: --v 1s;
}
@media (prefers-color-scheme: dark) { .ring { color: #ffd8a8; } }
.verdict { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 900; margin: 0; }
.verdict.ok { color: var(--ok); }
.verdict.ko { color: var(--ko); }
.muted { color: var(--muted); margin: .15rem 0; }

.themes-res { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.themes-res li {
  display: grid; grid-template-columns: minmax(150px, .9fr) 1fr 3.2rem;
  gap: .8rem; align-items: center; font-size: .92rem;
}
.tbar {
  height: 10px; border-radius: 99px; overflow: hidden;
  background: color-mix(in srgb, var(--navy) 12%, transparent);
  display: block;
}
.tbar > span { display: block; height: 100%; width: var(--p, 0%); border-radius: inherit; }
.tbar > span.ok { background: linear-gradient(90deg, var(--blue), var(--ok)); }
.tbar > span.ko { background: linear-gradient(90deg, #f08c00, var(--ko)); }
.tok { color: var(--ok); } .tko { color: var(--ko); }

.send { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

.review { display: grid; gap: .5rem; }
.review details {
  border: 1.5px solid var(--line); border-radius: 12px; padding: .6rem .9rem;
}
.review summary { cursor: pointer; font-weight: 650; }
.review .why { color: var(--muted); border-left: 3px solid var(--orange); padding-left: .7rem; }

/* ── confettis ───────────────────────────────────── */
#confetti { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 99; }
#confetti i {
  position: absolute; top: -3vh;
  width: 10px; height: 16px; border-radius: 2px; opacity: .95;
  animation: fall linear forwards;
}
@keyframes fall {
  to { transform: translateY(105vh) rotate(720deg); opacity: .8; }
}

/* ── transitions de vue ──────────────────────────── */
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .28s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}