:root {
  color-scheme: light dark;
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #17211e;
  --muted: #5a6a65;
  --line: #d5dedb;
  --accent: #0f766e;
  --accent-text: #ffffff;
  --accent-soft: #d9f0ec;
  --warn: #92400e;
  --error-bg: #fde8e8;
  --error-text: #9b1c1c;
  --full: #eceff0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101615;
    --card: #1a2321;
    --text: #e8efec;
    --muted: #9fb0aa;
    --line: #33413d;
    --accent: #2dd4bf;
    --accent-text: #06201c;
    --accent-soft: #143a35;
    --warn: #fbbf24;
    --error-bg: #431818;
    --error-text: #fecaca;
    --full: #232d2b;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.top, main {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 16px;
}

.top { padding-top: 24px; padding-bottom: 12px; }
main { padding-bottom: 48px; }

h1 { margin: 0; font-size: 1.5rem; }
h2 { margin: 0; font-size: 1.1rem; }
h3 { margin: 0; font-size: 1rem; }
p { margin: 0; }
a { color: var(--accent); }

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

.stack { display: flex; flex-direction: column; gap: 8px; }
.card.stack { gap: 18px; }
#connect form { margin-top: 18px; }

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.note { color: var(--muted); font-size: 0.875rem; }
.warn { color: var(--warn); }
.steps { margin: 0; padding-left: 20px; }

.message {
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 0 0 16px;
}
.message.error { background: var(--error-bg); color: var(--error-text); }

label { font-weight: 600; font-size: 0.9375rem; }

input[type="email"], input[type="password"], input[type="search"], input[type="date"], select {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font: inherit;
}

button {
  min-height: 44px;
  padding: 8px 16px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button.quiet {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--line);
  font-weight: 500;
}

button.wide { width: 100%; }
#switch-button { flex-shrink: 0; white-space: nowrap; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.pill {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 10px;
  border-radius: 999px;
  background: var(--full);
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 600;
  vertical-align: 1px;
}
.pill.on { background: var(--accent); color: var(--accent-text); }

.segments {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}
.segments legend { font-weight: 600; font-size: 0.9375rem; margin-bottom: 8px; padding: 0; }
.segments label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
}
.segments label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }

.chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 8px;
}

.chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 7px 4px;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--line);
  font-weight: 500;
}
.chip-time { font-variant-numeric: tabular-nums; font-weight: 600; }
.chip-note { font-size: 0.75rem; color: var(--muted); font-weight: 400; }
.chip.full { background: var(--full); }
.chip.selected { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.chip.selected .chip-note { color: var(--accent-text); }

.check {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-weight: 400;
}
.check input { width: 20px; height: 20px; margin: 0; accent-color: var(--accent); }
.segments input { accent-color: var(--accent); }

.plain { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
#picks, #results { margin-top: 12px; }
.plain:empty { display: none; }

.days { display: flex; flex-direction: column; gap: 18px; }
.day { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--line); padding-top: 14px; }
.card.stack .day-settings { gap: 14px; margin-top: 6px; }
.field-label { font-weight: 600; font-size: 0.9375rem; }

.pick { border-top: 1px solid var(--line); padding-top: 12px; }
.pick:first-child { border-top: 0; padding-top: 0; }
.pick-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.pick-actions { display: flex; gap: 8px; }
.pick-actions button { min-height: 36px; padding: 4px 10px; font-size: 0.875rem; }

.links a { overflow-wrap: anywhere; }