:root {
  --bg: #f6f3ec;
  --card: #ffffff;
  --ink: #2b2a26;
  --muted: #7a766b;
  --line: #e4ded1;
  --accent: #3f6b3a;
  --accent-ink: #ffffff;
  --accent-soft: #e3ecdf;
  --warn: #b5562f;
  --warn-soft: #f6e4da;
  --mine: #e9d9a8;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1c19;
    --card: #252722;
    --ink: #ecebe5;
    --muted: #a19d92;
    --line: #3a3c35;
    --accent: #7fae76;
    --accent-ink: #14200f;
    --accent-soft: #2c3a29;
    --warn: #e08a63;
    --warn-soft: #3d2a20;
    --mine: #5a4d24;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Rubik', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}
a { color: var(--accent); }

header {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 12px 16px 0;
}
header h1 { margin: 0 0 8px; font-size: 1.25rem; font-weight: 600; }
nav { display: flex; gap: 4px; overflow-x: auto; }
nav a {
  padding: 8px 12px; border-radius: 10px 10px 0 0;
  text-decoration: none; color: var(--muted); white-space: nowrap;
  border-bottom: 3px solid transparent;
}
nav a.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 500; }

main { max-width: 640px; margin: 0 auto; padding: 16px; }
h2 { font-size: 1.1rem; margin: 20px 0 10px; }
.muted { color: var(--muted); font-size: .9rem; }

/* ---------- Bandeau des jours ---------- */
header .days { margin: 0 -16px; padding: 10px 16px; border-top: 1px solid var(--line); }
.days {
  display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 12px;
  scroll-snap-type: x proximity;
}
.day {
  flex: 0 0 auto; min-width: 62px; scroll-snap-align: start;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 6px; text-align: center; cursor: pointer; font: inherit; color: inherit;
}
.day .wd { font-size: .8rem; color: var(--muted); }
.day .dn { font-size: 1.05rem; font-weight: 600; }
.day .free { font-size: .72rem; margin-top: 2px; color: var(--warn); }
.day .free.ok { color: var(--accent); }
.day.selected { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.day.selected .wd, .day.selected .free { color: var(--accent-ink); }

/* ---------- Créneaux ---------- */
.slots { display: flex; flex-direction: column; gap: 6px; }
.slot {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px;
}
.slot .time { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 92px; direction: ltr; text-align: right; }
.slot .who { flex: 1; min-width: 0; }
.slot .who .empty { color: var(--warn); }
.slot.full .who { color: var(--muted); }
.slot.past { opacity: .45; }
.slot.mine { background: var(--mine); }

/* ---------- Boutons et formulaires ---------- */
button, .btn {
  font: inherit; cursor: pointer; border-radius: 10px; border: 1px solid transparent;
  padding: 8px 14px; background: var(--accent); color: var(--accent-ink); font-weight: 500;
}
button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
button.danger { background: transparent; color: var(--warn); border-color: var(--warn); }
button:disabled { opacity: .5; cursor: default; }
button.small { padding: 5px 10px; font-size: .88rem; }

label { display: block; margin: 10px 0 4px; font-size: .9rem; color: var(--muted); }
input, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
input[type=tel] { direction: ltr; text-align: right; }
textarea { min-height: 80px; resize: vertical; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---------- Cartes ---------- */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; margin-bottom: 10px;
}
.card h3 { margin: 0 0 4px; font-size: 1.05rem; }
.card p { margin: 6px 0; white-space: pre-wrap; }
.tag {
  display: inline-block; font-size: .8rem; padding: 2px 8px; border-radius: 99px;
  background: var(--accent-soft); color: var(--accent);
}
.tag.taken { background: var(--line); color: var(--muted); }
.tag.done { background: var(--line); color: var(--muted); }
.card.taken { opacity: .75; }

/* ---------- Modale ---------- */
dialog {
  border: none; border-radius: 18px; padding: 20px; width: min(92vw, 420px);
  background: var(--card); color: var(--ink);
}
dialog::backdrop { background: rgba(0, 0, 0, .4); }
dialog h3 { margin: 0 0 4px; }
dialog .actions { display: flex; gap: 8px; margin-top: 16px; }
dialog .actions button[type=submit] { flex: 1; }
.err { color: var(--warn); font-size: .9rem; min-height: 1.2em; margin-top: 8px; }
.ts { margin-top: 12px; min-height: 0; }

/* ---------- Toast ---------- */
#toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(120px);
  background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 99px;
  transition: transform .25s; z-index: 20; max-width: 90vw;
}
#toast.show { transform: translateX(-50%) translateY(0); }

.empty-state { text-align: center; color: var(--muted); padding: 32px 0; }
.hidden { display: none !important; }

.contact { display: inline-flex; flex-wrap: wrap; gap: 4px 12px; }
header:not(:has(nav)) { padding-bottom: 12px; }

.check {
  display: flex; gap: 10px; align-items: flex-start; margin: 14px 0 0;
  color: var(--ink); font-size: .85rem; line-height: 1.4; cursor: pointer;
}
.check input { width: 20px; height: 20px; flex: 0 0 auto; margin: 1px 0 0; accent-color: var(--accent); }