:root {
  --bg1: #fff6ec;
  --bg2: #f7d9bf;
  --card: rgba(255, 252, 247, 0.82);
  --ink: #4a2f24;
  --muted: #8c6a5a;
  --accent: #d9774b;
  --accent-ink: #fff;
  --accent-soft: #f6c8a8;
  --line: rgba(120, 70, 40, 0.12);
  --glow: #ffb27a;
  --shadow: 0 10px 30px rgba(150, 80, 40, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg1: #2a1d18;
    --bg2: #3c2820;
    --card: rgba(62, 43, 34, 0.78);
    --ink: #f6e6d8;
    --muted: #c9a892;
    --accent: #e8915f;
    --accent-ink: #2a1d18;
    --accent-soft: #6a4232;
    --line: rgba(255, 220, 190, 0.12);
    --glow: #e8915f;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: 'Nunito', ui-rounded, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: linear-gradient(170deg, var(--bg1) 0%, var(--bg2) 100%) fixed;
  background-color: var(--bg1);
  -webkit-tap-highlight-color: transparent;
}
main {
  max-width: 560px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}
[hidden] { display: none !important; }
h1 { font-size: 1.7rem; margin: 0; font-weight: 800; }
h2 { font-size: 1.35rem; margin: 0 0 .4rem; font-weight: 800; }
p { margin: .3rem 0; line-height: 1.45; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.label { text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 700; color: var(--muted); margin: 0 0 .3rem; }
.big { font-size: 2.6rem; font-weight: 800; margin: .1rem 0; }
.mono { font-variant-numeric: tabular-nums; }
.error { color: #c0392b; }

.view { animation: fade .5s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  margin: 14px 0;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.card.soft { background: transparent; box-shadow: none; }
.center { text-align: center; }

.hello { display: flex; align-items: center; gap: 14px; margin: 8px 0 4px; }
.sun {
  width: 56px; height: 56px; flex: none; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #ffe1a8, var(--glow) 60%, var(--accent));
  box-shadow: 0 0 30px var(--glow);
  animation: glow 6s ease-in-out infinite;
}
.sun.small { width: 44px; height: 44px; margin: 0 auto 10px; }
@keyframes glow { 50% { box-shadow: 0 0 55px var(--glow); transform: scale(1.04); } }

.btn {
  font: inherit; font-weight: 700; font-size: 1rem;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 12px 20px; cursor: pointer;
  background: var(--card); color: var(--ink);
  transition: transform .15s ease, background .2s;
}
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; box-shadow: 0 6px 18px rgba(217, 119, 75, .35); }
.btn.ghost { background: transparent; }
.btn.wide { width: 100%; padding: 16px; font-size: 1.1rem; margin-top: 10px; }
.link { font: inherit; background: none; border: 0; color: var(--muted); padding: 10px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.chip {
  font: inherit; font-size: .9rem; font-weight: 600;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  border-radius: 999px; padding: 7px 12px; cursor: pointer;
}
.chip:active { background: var(--accent-soft); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.center-row { justify-content: center; }
input, select {
  font: inherit; color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px;
}
input[type=range] { padding: 0; accent-color: var(--accent); }
input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--accent); }

.snooze { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; }
.pick { margin-top: 10px; }

.banner { border-radius: 18px; padding: 14px 16px; margin: 14px 0; display: grid; gap: 2px; }
.banner.due { background: var(--accent); color: var(--accent-ink); animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(217, 119, 75, .18); } }

.dots { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0; min-height: 22px; }
.dot { width: 22px; height: 22px; border-radius: 50%; background: var(--accent-soft); }
.dot.done { background: radial-gradient(circle at 40% 35%, #ffe1a8, var(--accent)); }

.chart { display: flex; align-items: flex-end; gap: 6px; height: 110px; margin: 8px 0 4px; }
.bar { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; height: 100%; justify-content: flex-end; }
.bar i { display: block; width: 100%; max-width: 34px; border-radius: 10px 10px 4px 4px; background: linear-gradient(to top, var(--accent-soft), var(--accent)); min-height: 4px; }
.bar i.empty { background: var(--line); }
.bar span { font-size: .7rem; color: var(--muted); }

.footer-nav { text-align: center; }

/* Séances */
.session { text-align: center; padding-top: 4vh; }
.breath-wrap { height: min(62vw, 300px); display: grid; place-items: center; margin: 20px 0; }
.breath-circle {
  width: min(62vw, 300px); height: min(62vw, 300px); border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 40% 35%, #ffe7c2, var(--glow) 55%, var(--accent));
  box-shadow: 0 0 60px var(--glow);
  transform: scale(.55);
  will-change: transform;
}
.breath-circle span { font-size: 1.3rem; font-weight: 800; color: #5a3322; }
.ready { display: grid; gap: 8px; justify-items: center; }
.stepper { display: flex; gap: 10px; align-items: center; margin-bottom: 4px; }
.round { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 1.3rem; cursor: pointer; }
#rhythm-value { min-width: 3ch; font-size: 1.2rem; }

.rest-glow {
  width: 160px; height: 160px; margin: 30px auto; border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  animation: restglow 10s ease-in-out infinite; opacity: .7;
}
@keyframes restglow { 50% { transform: scale(1.25); opacity: 1; } }

.moods { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 16px 0 8px; }
.moods button {
  font: inherit; font-size: .75rem; font-weight: 700; color: var(--ink);
  background: transparent; border: 1px solid var(--line); border-radius: 16px; padding: 10px 2px; cursor: pointer;
  display: grid; gap: 4px;
}
.moods button span { font-size: 1.8rem; }
.moods button:active { background: var(--accent-soft); }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 600; }
.form label.check { display: flex; align-items: center; gap: 10px; }

.group { border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px 14px; margin: 0; display: grid; gap: 14px; }
.group legend { font-weight: 800; padding: 0 6px; }
.group > div { display: grid; gap: 14px; }

.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; background: var(--line); border-radius: 999px; padding: 4px; margin: 16px 0; }
.tabs button { font: inherit; font-weight: 700; border: 0; border-radius: 999px; padding: 9px 6px; background: transparent; color: var(--muted); cursor: pointer; }
.tabs button.active { background: var(--card); color: var(--ink); box-shadow: var(--shadow); }

.toast {
  position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--ink); color: var(--bg1); padding: 10px 18px; border-radius: 999px; font-weight: 700;
  box-shadow: var(--shadow); max-width: calc(100% - 32px); text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .sun, .rest-glow, .banner.due { animation: none; }
}