/* style.css — Thème « cahier » lisible sur iOS & desktop */
:root {
  --bg: #f9fafb;
  --paper: #fffef9;
  --ink: #0f172a;
  --muted: #6b7280;
  --accent: #2563eb;
  --good: #16a34a;
  --bad: #dc2626;
  --ring: 0 0 0 0.2rem rgba(37, 99, 235, 0.35);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 40%, var(--bg) 100%);
}
.site-header {
  padding: 2rem 1rem 1rem;
  text-align: center;
}
.site-header h1 { margin: 0; font-size: 1.9rem; }
.subtitle { color: var(--muted); margin-top: .25rem; }
.container { max-width: 980px; margin: 0 auto; padding: 1rem; }
.card {
  background: var(--paper);
  box-shadow: 0 1px 0 rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.06);
  border-radius: 18px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  position: relative;
}
/* Lignes de cahier */
.card::before {
  content: "";
  position: absolute; inset: 0; border-radius: 18px; pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(2, 132, 199, 0.06) 0px,
    rgba(2, 132, 199, 0.06) 1px,
    transparent 1px,
    transparent 38px
  );
}
.card h2 { margin-top: 0; }
.grid { display: grid; gap: .75rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 680px){ .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.field { display: grid; gap: .25rem; }
.field > span { font-size: .9rem; color: var(--muted); }
select, input[type="text"] {
  -webkit-appearance: none; appearance: none;
  border: 1px solid #e5e7eb; border-radius: 12px; padding: .7rem .9rem; font-size: 1rem;
  background: white; color: var(--ink);
}
select:focus, input:focus { outline: none; box-shadow: var(--ring); border-color: #bfdbfe; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .5rem; }
.btn {
  border: 1px solid #cbd5e1; background: #f8fafc; color: #0f172a; border-radius: 12px; padding: .6rem .9rem; font-weight: 600; cursor: pointer;
}
.btn:hover { filter: brightness(0.98); }
.btn.primary { background: var(--accent); color: white; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.03); }
.btn.ghost { background: transparent; }

.trainer-top { display: flex; justify-content: space-between; align-items: center; gap: .75rem; }
.badge { background: #eef2ff; color: #1e40af; padding: .3rem .6rem; border-radius: 999px; font-size: .9rem; }
.stats { display: flex; gap: 1rem; color: var(--muted); }
.prompt { font-size: clamp(2.4rem, 6vw, 4.2rem); text-align: center; padding: 1.2rem 0 .6rem; font-weight: 700; letter-spacing: .02em; }
#answerForm { display: grid; gap: .6rem; }
.answer-actions { display: flex; gap: .5rem; }
.feedback { min-height: 1.6rem; }
.feedback .ok { color: var(--good); font-weight: 700; }
.feedback .ko { color: var(--bad); font-weight: 700; }
.kpi { font-size: 1.6rem; font-weight: 800; }
.muted { color: var(--muted); }
.mt { margin-top: .5rem; }
.site-footer { text-align: center; padding: 1.5rem; color: var(--muted); }

/* Accessibilité & confort iOS */
input { font-size: 16px; } /* évite le zoom iOS */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }