:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e2e2e5;
  --accent: #3477c0;
  --green: #4a9b6e;
  --red: #dc2626;
  --amber: #d97706;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #121214;
    --card: #1c1c1f;
    --text: #f0f0f2;
    --muted: #9a9aa2;
    --border: #2c2c30;
    --accent: #5b8cff;
    --green: #86c9a0;
    --red: #f87171;
    --amber: #fbbf24;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.4;
  padding-bottom: 4rem;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

nav {
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  overflow-x: auto;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-weight: 700;
  color: var(--accent);
  margin-right: 0.5rem;
  padding: 0.4rem 0;
  white-space: nowrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  font-size: 0.9rem;
  white-space: nowrap;
}

nav a.active, nav a:hover {
  color: var(--text);
  background: var(--bg);
}

h1 { font-size: 1.4rem; margin: 0 0 0.75rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }
h3 { font-size: 1rem; margin: 0 0 0.3rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.muted { color: var(--muted); font-size: 0.85rem; }

.row { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }

label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.25rem; }

input[type="text"], input[type="date"], input[type="password"], textarea, select {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

textarea { min-height: 140px; font-family: ui-monospace, monospace; font-size: 0.85rem; }

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}

button.ghost, .btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.small, .btn.small { padding: 0.35rem 0.6rem; font-size: 0.8rem; }

.error { color: var(--red); font-size: 0.9rem; margin-bottom: 0.75rem; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.fresh { background: rgba(22,163,74,0.15); color: var(--green); }
.badge.stale { background: rgba(107,107,107,0.15); color: var(--muted); }
.badge.take { background: rgba(22,163,74,0.18); color: var(--green); }
.badge.watch { background: rgba(217,119,6,0.18); color: var(--amber); }
.badge.skip { background: rgba(107,107,107,0.18); color: var(--muted); }
.badge.supply { background: rgba(220,38,38,0.15); color: var(--red); }
.badge.demand { background: rgba(37,99,235,0.15); color: var(--accent); }

.badge.confidence-early { background: rgba(107,107,107,0.18); color: var(--muted); }
.badge.confidence-building { background: rgba(217,119,6,0.18); color: var(--amber); }
.badge.confidence-solid { background: rgba(22,163,74,0.15); color: var(--green); }

.badge.alert { background: rgba(217,119,6,0.2); color: var(--amber); font-size: 0.78rem; }
.card.trap-alert { border-color: var(--amber); background: rgba(217,119,6,0.06); }

.zone-card { border-left: 3px solid var(--border); }
.zone-card.take { border-left-color: var(--green); }
.zone-card.watch { border-left-color: var(--amber); }
.zone-card.skip { border-left-color: var(--muted); }

.tap-row { display: flex; gap: 0.4rem; margin-top: 0.5rem; flex-wrap: wrap; }

form.inline { display: inline; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.4rem 0.3rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.stat-good { color: var(--green); font-weight: 600; }
.stat-bad { color: var(--red); font-weight: 600; }

.reasons { font-size: 0.78rem; color: var(--muted); margin-top: 0.4rem; }

.brief { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.field-group label { margin-bottom: 0.35rem; }
.field-group .tap-row { margin-top: 0; }

.pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.pill.bull { color: var(--green); border-color: rgba(22,163,74,0.35); }
.pill.bear { color: var(--red); border-color: rgba(220,38,38,0.35); }
.pill.neutral { color: var(--muted); }
.pill.impulse { color: var(--accent); border-color: rgba(52,119,192,0.35); }
.pill.correction { color: var(--amber); border-color: rgba(217,119,6,0.35); }

.pill.active.bull { background: var(--green); border-color: var(--green); color: white; }
.pill.active.bear { background: var(--red); border-color: var(--red); color: white; }
.pill.active.neutral { background: var(--muted); border-color: var(--muted); color: white; }
.pill.active.impulse { background: var(--accent); border-color: var(--accent); color: white; }
.pill.active.correction { background: var(--amber); border-color: var(--amber); color: white; }

/* radio-driven pills: same look as the tap-to-POST pills above, but for
   fields bundled into a single form submit (e.g. the /new page) rather than
   an immediate per-field POST. */
.pill-radio { position: absolute; opacity: 0; width: 0; height: 0; }
.pill-radio + label.pill { display: inline-block; }
.pill-radio:checked + label.pill.bull { background: var(--green); border-color: var(--green); color: white; }
.pill-radio:checked + label.pill.bear { background: var(--red); border-color: var(--red); color: white; }
.pill-radio:checked + label.pill.neutral { background: var(--muted); border-color: var(--muted); color: white; }
.pill-radio:checked + label.pill.impulse { background: var(--accent); border-color: var(--accent); color: white; }
.pill-radio:checked + label.pill.correction { background: var(--amber); border-color: var(--amber); color: white; }
.pill-radio:focus-visible + label.pill { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 420px) {
  .brief { grid-template-columns: 1fr; }
}