:root {
  --bg: #F3EFE7;
  --ink: #1C1B19;
  --ink-2: #3E3B35;
  --ink-3: #5E5A52;
  --accent: #1F4E4A;
  --accent-soft: #DCE6E2;
  --terra: #C8643B;
  --ochre: #E0B24A;
  --sage: #8FA89A;
  --card: #FFFFFF;
  --block: #E6DFD1;
  --line: #D8D0C0;
  --danger: #A33A2A;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Instrument Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: 30px; }
h2 { font-size: 24px; }
h3 { font-size: 19px; }
p { margin: 0 0 12px; color: var(--ink-2); }
.muted { color: var(--ink-3); font-size: 15px; }
.eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 600; display: block; margin-bottom: 8px; }

/* Cadre */
.app { max-width: 560px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 16px; border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 19px; display: flex; gap: 8px; align-items: center; background: none; border: 0; padding: 0; color: var(--ink); }
.brand-mark { display: inline-flex; gap: 2px; }
.brand-mark i { width: 7px; height: 11px; border-radius: 2px; display: block; }
.nav { display: flex; gap: 4px; }
.nav button { background: none; border: 0; padding: 8px 10px; border-radius: 6px; color: var(--ink-3); font-size: 15px; }
.nav button[aria-current="true"] { color: var(--ink); background: var(--block); }
main { flex: 1; padding: 24px 16px 96px; }

/* Bannières */
.banner { padding: 10px 16px; font-size: 14px; text-align: center; }
.banner.offline { background: var(--ink); color: var(--bg); }
.banner.info { background: var(--accent-soft); color: var(--accent); }

/* Cartes et boutons */
.card { background: var(--card); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.card.soft { background: var(--block); }
.card.warn { border-left: 5px solid var(--terra); }
.card.accent { border-left: 5px solid var(--accent); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 8px; padding: 14px 20px; font-weight: 600; font-size: 16px; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:disabled { background: #9DB3AE; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn-quiet { background: transparent; color: var(--ink-3); padding: 10px 12px; text-decoration: underline; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.stack > * + * { margin-top: 12px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
label.field { display: block; font-size: 14px; color: var(--ink-3); margin-bottom: 6px; }
input[type="email"], input[type="text"], select, textarea {
  width: 100%; font: inherit; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

/* Progression en briques */
.bricks { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin: 12px 0 8px; }
.brick { height: 18px; border-radius: 3px; background: var(--line); position: relative; }
.brick.done { background: var(--accent); }
.brick.done.t2 { background: var(--ochre); }
.brick.done.t3 { background: var(--terra); }
.brick.today { background: transparent; border: 2px dashed var(--accent); }
.bricks-legend { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-3); }

/* Défi */
.defi-head { margin-bottom: 20px; }
.progress-steps { display: flex; gap: 4px; margin: 16px 0 24px; }
.progress-steps span { flex: 1; height: 4px; border-radius: 2px; background: var(--line); }
.progress-steps span.on { background: var(--accent); }
.step-body ol, .step-body ul { padding-left: 22px; margin: 0 0 12px; }
.step-body li { margin-bottom: 6px; color: var(--ink-2); }
.step-body blockquote, .prompt { margin: 0 0 12px; padding: 12px 16px; background: var(--block); border-radius: 8px; font-family: var(--serif); font-size: 18px; color: var(--ink); }
.step-nav { position: fixed; left: 0; right: 0; bottom: 0; background: var(--bg); border-top: 1px solid var(--line); padding: 12px 16px; z-index: 4; }
.step-nav .inner { max-width: 528px; margin: 0 auto; display: flex; gap: 12px; }
.step-nav .btn { flex: 1; }

/* Photo */
.photo-slot { border: 2px dashed var(--line); border-radius: 12px; padding: 16px; text-align: center; margin: 16px 0; background: #fff; }
.photo-slot.filled { border-style: solid; border-color: var(--accent); padding: 8px; }
.photo-slot img { border-radius: 8px; margin: 0 auto 8px; max-height: 320px; object-fit: cover; }
.photo-slot input { display: none; }
.photo-slot .err { color: var(--danger); font-size: 14px; }

/* Rappel d'un défi précédent */
.recall { display: flex; gap: 12px; align-items: flex-start; background: var(--accent-soft); border-radius: 10px; padding: 12px; margin: 12px 0; }
.recall img { width: 72px; height: 72px; object-fit: cover; border-radius: 6px; flex: 0 0 72px; }
.recall p { margin: 0; font-size: 15px; }

/* Miroir et carnet */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 12px 0; }
.gallery figure { margin: 0; position: relative; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; }
.gallery figcaption { position: absolute; left: 4px; bottom: 4px; background: rgba(28,27,25,.75); color: #fff; font-size: 11px; padding: 1px 6px; border-radius: 3px; }
.carnet-entry { background: var(--card); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.carnet-entry .photos { display: flex; gap: 6px; overflow-x: auto; margin: 10px 0; }
.carnet-entry .photos img { width: 110px; height: 110px; object-fit: cover; border-radius: 6px; flex: 0 0 110px; }
.carnet-entry .note { font-family: var(--serif); color: var(--ink); border-left: 3px solid var(--accent); padding-left: 12px; margin: 8px 0 0; }
.lock { display: inline-block; font-size: 12px; color: var(--ink-3); background: var(--block); padding: 2px 8px; border-radius: 20px; }

/* Choix (lettre) */
.choice { display: flex; gap: 12px; align-items: center; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 8px; margin-bottom: 8px; background: #fff; cursor: pointer; }
.choice input { accent-color: var(--accent); width: 18px; height: 18px; }
.choice.on { border-color: var(--accent); background: var(--accent-soft); }

/* Fenêtre de confirmation */
.modal-back { position: fixed; inset: 0; background: rgba(28,27,25,.55); display: flex; align-items: flex-end; justify-content: center; z-index: 20; }
.modal { background: var(--bg); width: 100%; max-width: 560px; border-radius: 16px 16px 0 0; padding: 24px 16px 28px; }
@media (min-width: 600px) { .modal-back { align-items: center; } .modal { border-radius: 16px; } }

/* Panneau de démo (prototype uniquement) */
.demo-toggle { position: fixed; right: 12px; bottom: 84px; z-index: 30; background: var(--ink); color: var(--bg); border: 0; border-radius: 20px; padding: 8px 14px; font-size: 13px; font-weight: 600; }
.demo-panel { position: fixed; right: 12px; bottom: 124px; width: min(360px, calc(100vw - 24px)); max-height: 70vh; overflow-y: auto; background: var(--ink); color: #E8E2D6; border-radius: 12px; padding: 16px; z-index: 30; font-size: 14px; }
.demo-panel h3 { color: #fff; font-family: var(--sans); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; margin: 12px 0 6px; }
.demo-panel h3:first-child { margin-top: 0; }
.demo-panel button { display: block; width: 100%; text-align: left; background: #2E2C28; color: #E8E2D6; border: 0; border-radius: 6px; padding: 8px 10px; margin-bottom: 4px; font-size: 13px; }
.demo-panel button:hover { background: #3E3B35; }
.demo-panel .clock { font-size: 12px; color: var(--sage); }
.demo-panel select { background: #2E2C28; color: #E8E2D6; border-color: #4A4640; padding: 6px; font-size: 13px; }

@media print {
  .topbar, .step-nav, .demo-toggle, .demo-panel, .no-print, .banner { display: none !important; }
  body { background: #fff; }
  .carnet-entry { break-inside: avoid; border: 1px solid #ccc; }
}

.brand { white-space: nowrap; }
@media (max-width: 420px) {
  .topbar { padding: 12px; }
  .brand { font-size: 17px; }
  .nav button { padding: 8px 6px; font-size: 14px; }
}