/* Thème sobre et institutionnel : fond blanc, gris anthracite, accent rouge en filet */
:root {
  --bg: #FFFFFF;
  --panel: #F4F4F4;
  --line: #DADADA;
  --ink: #1C1C1C;
  --ink-soft: #5F5F5F;
  --brand: #D52B1E;
  --dark: #1C1C1C;
  --ok: #1E7B4A;
  --ok-bg: #E6F3EC;
  --ko: #C62828;
  --ko-bg: #FBEAEA;
  --sans: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); }
body {
  color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.5;
  padding: env(safe-area-inset-top, 0px) 0 env(safe-area-inset-bottom, 0px);
}
.topbar { height: 6px; background: var(--brand); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px 48px; }
.hidden { display: none !important; }

nav.site { padding: 18px 0 14px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.brand { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.05rem; letter-spacing: .01em; }

header h1 { font-size: 2rem; font-weight: 700; line-height: 1.15; margin: 22px 0 6px; }
.lead { margin: 0; color: var(--ink-soft); }
.back { display: inline-block; margin-top: 18px; color: var(--ink); background: none; border: 0; padding: 0;
  font: inherit; font-size: 0.95rem; text-decoration: none; cursor: pointer; }
.back:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, .qcard:focus-visible {
  outline: 3px solid var(--brand); outline-offset: 2px;
}

.qlist { display: grid; gap: 14px; margin-top: 24px; }
.qcard {
  display: block; text-decoration: none; color: var(--ink); background: var(--panel);
  border-left: 4px solid var(--brand); padding: 20px 22px;
}
.qcard:hover { background: #EDEDED; }
.qcard h2 { font-size: 1.3rem; font-weight: 700; margin: 0 0 6px; }
.qcard p { margin: 0 0 12px; color: var(--ink-soft); }
.qcard .go { font-weight: 600; }

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tab { font: inherit; font-size: 0.95rem; cursor: pointer; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 2px; padding: 8px 14px; }
.tab span { color: var(--ink-soft); margin-left: 4px; }
.tab:hover:not(:disabled) { border-color: var(--ink); }
.tab[aria-selected="true"] { background: var(--dark); border-color: var(--dark); color: #fff; }
.tab[aria-selected="true"] span { color: #ddd; }
.tab:disabled { opacity: .4; cursor: not-allowed; }

.card { background: var(--panel); padding: 28px 26px 24px; margin-top: 20px; }
.qnum { font-size: 0.9rem; color: var(--ink-soft); margin-bottom: 8px; font-weight: 600; }
.qtext { font-size: 1.35rem; font-weight: 600; line-height: 1.35; margin: 0 0 18px; }
.intro { padding-left: 1.2em; margin: 0 0 8px; }
.intro li { margin: 6px 0; }
.nav { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.sel-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; font-size: 1.1rem; }
.sel-row select { font: inherit; font-size: 1rem; padding: 6px 10px; border: 1px solid var(--ink-soft);
  border-radius: 2px; background: var(--bg); color: var(--ink); }
.sel-state.good select { border-color: var(--ok); background: var(--ok-bg); }
.sel-state.bad select { border-color: var(--ko); background: var(--ko-bg); }

.opts { display: grid; gap: 10px; }
.opt { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; font: inherit;
  background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 2px;
  padding: 13px 16px; cursor: pointer; transition: border-color .15s, background .15s; }
.opt:hover:not(:disabled) { border-color: var(--ink); }
.opt:disabled { cursor: default; }
.letter { flex: 0 0 28px; height: 28px; border-radius: 50%; border: 1px solid var(--ink-soft);
  display: inline-grid; place-items: center; font-size: .85rem; font-weight: 700; color: var(--ink-soft); }
.opt .txt { flex: 1; }
.opt .mark { margin-left: auto; font-weight: 700; font-size: 1.15rem; }
.opt.good { background: var(--ok-bg); border-color: var(--ok); }
.opt.good .letter { border-color: var(--ok); color: var(--ok); }
.opt.good .mark { color: var(--ok); }
.opt.bad { background: var(--ko-bg); border-color: var(--ko); }
.opt.bad .letter { border-color: var(--ko); color: var(--ko); }
.opt.bad .mark { color: var(--ko); }
.opt.dim { opacity: .5; }

.btn { font: inherit; font-weight: 600; background: var(--dark); color: #fff; border: 0; border-radius: 2px;
  padding: 11px 22px; cursor: pointer; }
.btn:hover:not(:disabled) { background: #000; }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn.ghost:hover { background: var(--bg); }

.bar-row { display: flex; justify-content: space-between; align-items: baseline; margin: 20px 0 8px;
  font-size: .95rem; color: var(--ink-soft); }
.score strong { color: var(--ink); font-size: 1.15rem; }
.track { height: 6px; background: var(--line); overflow: hidden; }
.fill { height: 100%; background: var(--brand); transition: width .35s ease; }

.fb { display: flex; gap: 14px; align-items: flex-start; margin-top: 18px; padding: 14px 16px; }
.fb.ok { background: var(--ok-bg); }
.fb.ko { background: var(--ko-bg); }
.fb .big { font-size: 1.5rem; line-height: 1; font-weight: 700; }
.fb.ok .big { color: var(--ok); }
.fb.ko .big { color: var(--ko); }
.fb strong { display: block; margin-bottom: 2px; }
.fb p { margin: 4px 0 0; }
.fb .src { display: block; margin-top: 6px; font-size: .88rem; color: var(--ink-soft); }

.result { text-align: center; }
.ring { width: 170px; height: 170px; margin: 8px auto 18px; border-radius: 50%; display: grid; place-items: center;
  position: relative; background: conic-gradient(var(--brand) calc(var(--p) * 1%), var(--line) 0); }
.ring::after { content: ""; position: absolute; inset: 14px; border-radius: 50%; background: var(--panel); }
.ring span { position: relative; z-index: 1; font-size: 2.6rem; font-weight: 700; }
.result h2 { font-size: 1.6rem; font-weight: 700; margin: 6px 0; }
.result .detail { color: var(--ink-soft); margin: 0 0 22px; }
.result .actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.review { text-align: left; margin-top: 24px; }
.review h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 10px; }
.review ul { list-style: none; padding: 0; margin: 0; }
.review li { border-top: 1px solid var(--line); padding: 10px 0; font-size: .97rem; }
.review li em { color: var(--ink-soft); font-style: normal; }

.gate { max-width: 460px; }
.gate form { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.gate input { flex: 1 1 220px; font: inherit; font-size: 1rem; padding: 11px 12px; border: 1px solid var(--ink-soft);
  border-radius: 2px; background: var(--bg); color: var(--ink); }
.gate .err { color: var(--ko); font-weight: 600; min-height: 1.4em; margin: 12px 0 0; }

.foot { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .84rem; line-height: 1.5; text-align: left; }
.foot p { margin: 0; }
@media (prefers-reduced-motion: reduce) { .fill { transition: none; } }