/* Chair Me Up — feuille de style unique.
   Contraintes d'accessibilité retenues : corps de texte ≥ 17px, cibles
   tactiles ≥ 48px, contraste AA en clair comme en sombre, aucune information
   portée par la seule couleur. */

:root {
  --sage: #5b8c7b;
  --sage-dark: #3f6b5b;
  --ink: #1d2422;
  --muted: #5d6b66;
  --line: #d9e0dc;
  --bg: #f6f8f7;
  --surface: #ffffff;
  --surface-2: #eef2f0;
  --accent: #b4693f;
  --danger: #a3402f;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(29, 36, 34, 0.06), 0 8px 24px rgba(29, 36, 34, 0.07);
  --font: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --sage: #7fb09c;
    --sage-dark: #9ac7b4;
    --ink: #e8efec;
    --muted: #a3b2ad;
    --line: #2e3a36;
    --bg: #131816;
    --surface: #1b2220;
    --surface-2: #232c29;
    --accent: #d9915f;
    --danger: #e08070;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.4em; font-weight: 650; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 0.8em; }
a { color: var(--sage-dark); }

.app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; white-space: nowrap; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--sage), var(--sage-dark));
  flex: none;
}
.app-nav { margin-left: auto; display: flex; gap: 4px; min-width: 0; }
.app-nav button { white-space: nowrap; padding: 10px 12px; }

@media (max-width: 560px) {
  /* Sur mobile la navigation passe sur sa propre ligne, comme une barre
     d'onglets : les cibles tactiles restent larges. */
  .app-header { flex-wrap: wrap; gap: 10px; padding: 12px 14px; }
  .brand { font-size: 1rem; }
  .app-nav { width: 100%; margin-left: 0; }
  .app-nav button { flex: 1; padding: 10px 6px; font-size: 0.92rem; }
  main { padding: 20px 14px 90px; }
}

main { max-width: 900px; margin: 0 auto; padding: 24px 20px 96px; }
.view[hidden] { display: none; }
.stack > * + * { margin-top: 14px; }
.section + .section { margin-top: 34px; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.section-head h2 { margin: 0; }
.lede { color: var(--muted); max-width: 62ch; }

/* ------------------------------------------------------------- contrôles */
button {
  font: inherit;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 10px 16px;
  min-height: 48px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
button:hover { background: var(--surface-2); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--sage);
  outline-offset: 2px;
}
button[disabled] { opacity: 0.45; cursor: not-allowed; }
.btn-primary {
  background: var(--sage-dark);
  border-color: var(--sage-dark);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { background: var(--sage); border-color: var(--sage); }
@media (prefers-color-scheme: dark) {
  .btn-primary { color: #10201a; }
}
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost[aria-current='true'] { background: var(--surface-2); border-color: var(--line); font-weight: 600; }
.btn-danger { color: var(--danger); border-color: transparent; background: transparent; }
.btn-small { min-height: 40px; padding: 6px 12px; font-size: 0.92rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }

input[type='text'], input[type='number'], select, textarea {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 48px;
  width: 100%;
}
label { font-weight: 600; display: block; margin-bottom: 4px; font-size: 0.95rem; }
.field { margin-bottom: 14px; }
.field-hint { color: var(--muted); font-size: 0.88rem; font-weight: 400; }
.grid-2 { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* ---------------------------------------------------------------- cartes */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card-title { display: flex; align-items: center; gap: 8px; }
.card-meta { color: var(--muted); font-size: 0.9rem; }

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--line);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

/* --------------------------------------------------- programme en 14 jours */
.day-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.day {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px;
}
.day-badge {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  background: var(--surface-2); color: var(--sage-dark);
  display: grid; place-items: center; line-height: 1;
  font-weight: 700; font-size: 1.15rem; font-variant-numeric: tabular-nums;
}
.day-badge small { display: block; font-size: 0.6rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.day-info { flex: 1 1 190px; min-width: 0; }
.day-info strong { display: block; }
.day .btn-row { gap: 6px; }

/* ------------------------------------------------------------ constructeur */
.block-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--family-color, var(--sage));
  border-radius: var(--radius);
  padding: 14px 16px;
}
.block-head { display: flex; align-items: flex-start; gap: 10px; }
.block-head h3 { margin: 0; }
.block-order { display: flex; gap: 4px; margin-left: auto; }
.block-controls { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-top: 12px; }
.stepper { display: flex; align-items: center; gap: 6px; }
.stepper button { min-width: 44px; min-height: 44px; padding: 0; font-size: 1.2rem; line-height: 1; }
.stepper output { flex: 1; text-align: center; font-variant-numeric: tabular-nums; font-weight: 650; }
.empty-state { text-align: center; padding: 34px 20px; color: var(--muted); border: 2px dashed var(--line); border-radius: var(--radius); }
.summary-bar {
  position: sticky; bottom: 0;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 16px; margin-top: 20px; box-shadow: var(--shadow);
}
.summary-bar strong { font-size: 1.15rem; }
.summary-bar .btn-row { margin-left: auto; }

/* ----------------------------------------------------------------- lecteur */
.player {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  position: fixed;
  inset: 0;
  z-index: 40;
  padding: 16px;
}
.player[hidden] { display: none; }
.player-top { display: flex; align-items: center; gap: 12px; }
.player-top .player-title { font-weight: 600; }
.player-progress { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; margin-top: 12px; }
.player-progress > i { display: block; height: 100%; background: var(--sage); width: 0; transition: width 0.2s linear; }
.player-body { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 10px; }
.player-phase-label { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.player-exercise { font-size: clamp(1.5rem, 5vw, 2.3rem); font-weight: 700; margin: 0; }
.player-sub { color: var(--muted); }
.breath-ring { position: relative; width: min(60vw, 260px); aspect-ratio: 1; margin: 6px 0; }
.breath-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.breath-ring circle { fill: none; stroke-width: 10; stroke-linecap: round; }
.breath-track { stroke: var(--surface-2); }
.breath-value { stroke: var(--sage); transition: stroke-dashoffset 0.12s linear; }
.breath-center {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px;
}
.breath-count { font-size: clamp(2rem, 9vw, 3.2rem); font-weight: 700; font-variant-numeric: tabular-nums; }
.breath-of { color: var(--muted); font-size: 0.95rem; }
.breath-phase { font-size: 1.15rem; font-weight: 600; color: var(--sage-dark); min-height: 1.6em; }
.player-cue { max-width: 34ch; font-size: 1.1rem; min-height: 3.2em; }
.player-next { color: var(--muted); font-size: 0.95rem; }
.player-controls { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 10px 0 4px; }
.control-round {
  width: 62px; height: 62px; border-radius: 50%; padding: 0;
  display: grid; place-items: center; font-size: 1.3rem;
}
.control-main { width: 84px; height: 84px; font-size: 1.7rem; background: var(--sage-dark); border-color: var(--sage-dark); color: #fff; }
.control-main:hover { background: var(--sage); border-color: var(--sage); }
.player.is-rest .breath-value { stroke: var(--accent); }
.player.is-rest .breath-phase { color: var(--accent); }

/* ------------------------------------------------------------------ modale */
dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  padding: 20px;
  max-width: 560px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(10, 16, 14, 0.5); }
.dialog-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.dialog-head h2 { margin: 0; }
.dialog-head button { margin-left: auto; }
.picker-list { max-height: 55vh; overflow: auto; display: grid; gap: 8px; margin: 12px 0; }
.picker-item { text-align: left; display: block; width: 100%; }
.picker-item small { display: block; color: var(--muted); font-weight: 400; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--ink); color: var(--bg);
  padding: 12px 18px; border-radius: 999px; box-shadow: var(--shadow);
  z-index: 60; font-weight: 600;
}
.toast[hidden] { display: none; }

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