:root {
  --bg: #f4f8f7;
  --card: #ffffff;
  --text: #12302c;
  --muted: #5d7a75;
  --brand: #0f766e;
  --brand-dark: #0b5a54;
  --pill: #14b8a6;
  --pill-empty: #dbe7e5;
  --danger: #b42318;
  --line: #d5e2df;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1716;
    --card: #152422;
    --text: #e6f2f0;
    --muted: #8fb0aa;
    --brand: #2dd4bf;
    --brand-dark: #14b8a6;
    --pill: #2dd4bf;
    --pill-empty: #243a37;
    --danger: #f97066;
    --line: #27403c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 10px) 16px 10px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 5;
}
.topbar h1 { margin: 0; font-size: 1.5rem; letter-spacing: 0.5px; }
.topbar h1 span { color: var(--brand); }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 0;
  background: var(--brand);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}
.icon-btn[hidden] { display: none; }
#back { background: transparent; color: var(--text); border: 1px solid var(--line); }

main { padding: 4px 16px 32px; max-width: 560px; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
}

button.card.med {
  display: block;
  width: 100%;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.med-row { display: flex; justify-content: space-between; gap: 8px; }
.med-sub { color: var(--muted); font-size: 0.9rem; margin-top: 6px; }
.bar { height: 8px; background: var(--pill-empty); border-radius: 4px; margin-top: 10px; overflow: hidden; }
.bar > div { height: 100%; background: var(--pill); border-radius: 4px; }

.empty h2 { margin-top: 0; }
.empty p { color: var(--muted); margin-bottom: 0; }

.summary h2 { margin: 0 0 4px; }
.big { font-size: 2.4rem; font-weight: 700; color: var(--brand); }
.big small { font-size: 1rem; font-weight: 400; color: var(--muted); }
.today { margin-top: 10px; font-weight: 600; }
.today.done { color: var(--brand); }

.btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 16px;
  font: inherit;
  cursor: pointer;
}
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn:disabled, .chip:disabled { opacity: 0.4; cursor: default; }
.big-btn { width: 100%; padding: 16px; font-size: 1.1rem; }

.chips { display: flex; gap: 8px; margin-top: 10px; }
.chip {
  flex: 1;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 8px 0;
  font: inherit;
  cursor: pointer;
}
.chip.ghost { color: var(--muted); }

.blister {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  margin-bottom: 12px;
}
.blister-head { display: flex; justify-content: space-between; font-size: 0.9rem; color: var(--muted); margin-bottom: 8px; }
.cells { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cell { aspect-ratio: 1; }
.pill { width: 100%; height: 100%; display: block; }
.pill-full { fill: var(--pill); }
.pill-empty { fill: var(--pill-empty); }

.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 8px; }

dialog {
  width: min(92vw, 480px);
  border: 0;
  border-radius: 16px;
  padding: 20px;
  background: var(--card);
  color: var(--text);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
dialog h2 { margin-top: 0; }
label { display: block; margin-bottom: 12px; font-size: 0.9rem; color: var(--muted); }
input, select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
fieldset { border: 1px solid var(--line); border-radius: 12px; margin: 0 0 12px; padding: 8px 12px 0; }
legend { color: var(--brand); font-weight: 600; padding: 0 6px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.error { color: var(--danger); margin: 0 0 8px; }
.error[hidden] { display: none; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 8px; }
.hint { color: var(--muted); font-size: 0.8rem; margin: 0 0 10px; }

.banner {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--brand);
  background: var(--card);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 12px;
  font: inherit;
  cursor: pointer;
}
.banner b { color: var(--brand); }

.take-time { margin-bottom: 10px; }
.today-log { list-style: none; margin: 12px 0 0; padding: 0; color: var(--muted); font-size: 0.9rem; }
.today-log li { padding: 2px 0; }