:root {
  --bg: #d7e3e7;
  --ink: #17232b;
  --muted: #5c6e78;
  --card: #f7f4ee;
  --line: #ddd6c8;
  --green: #0c6b52;
  --green-soft: #e5f3ee;
  --amber: #a85b12;
  --amber-soft: #fff3e6;
  --blue: #1d4e89;
  --red: #8d2f2f;
  --shadow: 0 10px 28px rgba(23, 35, 43, 0.08);
  color: var(--ink);
  background: var(--bg);
  font-family: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  padding: env(safe-area-inset-top) 16px calc(84px + env(safe-area-inset-bottom));
}
button, input, select { font: inherit; color: inherit; }
button, a { cursor: pointer; touch-action: manipulation; }
h1, h2, h3, p { margin: 0; }

.top { padding: 18px 0 8px; }
.top-row, .row, .chips, .pager, .legend, .split {
  display: flex;
  align-items: center;
  gap: 8px;
}
.top-row, .row, .pager, .split { justify-content: space-between; }
.chips, .legend { flex-wrap: wrap; }
.eyebrow {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
h1 { font-size: 1.55rem; letter-spacing: -0.03em; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1.02rem; }
.explain, .muted, .status { color: var(--muted); }
.explain { margin-top: 10px; font-size: 0.92rem; }
.status { margin-top: 8px; font-variant-numeric: tabular-nums; }
.status.error { color: var(--red); }
#refresh, .ghost, .chip, .tabbar button, .pager button {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  min-height: 44px;
  padding: 0 14px;
}
#refresh {
  background: var(--green);
  color: white;
  border-color: var(--green);
  flex: 0 0 auto;
}
#refresh:disabled { opacity: 0.6; }
.chip[aria-pressed="true"], .tabbar button[aria-current="page"] {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}

.stop, .route, .record, .panel, .banner {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.stop, .panel { padding: 14px; margin-top: 12px; }
.stop-head { align-items: flex-start; margin-bottom: 10px; }
.stop a { color: var(--green); font-weight: 700; text-decoration: none; }
.route { padding: 12px; margin-top: 8px; }
.route.imminent { background: var(--amber-soft); border-color: #f0c398; }
.route-top { align-items: baseline; }
.route-no { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.04em; }
.eta {
  font-size: 1.45rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--green);
}
.route.imminent .eta { color: var(--amber); }
.bus { padding-top: 8px; border-top: 1px solid var(--line); margin-top: 8px; }
.bus strong { font-variant-numeric: tabular-nums; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
}
.tag.amber { background: var(--amber-soft); color: var(--amber); }
.tag.blue { background: #e7f0fa; color: var(--blue); }

.summary { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.summary div, .metric {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
}
.summary b, .metric b {
  display: block;
  margin-top: 4px;
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
}
.banner { padding: 12px 14px; margin-top: 12px; color: var(--red); }
.record {
  width: 100%;
  text-align: left;
  padding: 12px;
  margin-top: 8px;
}
.record small { color: var(--muted); }
.filters { margin-top: 12px; }
.chart-wrap { overflow: hidden; margin-top: 8px; }
.chart { width: 100%; height: auto; display: block; }
.chart text { fill: var(--muted); font-size: 11px; }
.table-wrap { overflow-x: auto; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 7px 4px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
.legend i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}
.empty { padding: 28px 8px; text-align: center; color: var(--muted); }
.pager { margin: 12px 0; }
.detail { padding: 16px 16px calc(16px + env(safe-area-inset-bottom)); }
.detail header { position: sticky; top: 0; background: var(--card); padding-bottom: 8px; }
dl { display: grid; grid-template-columns: 88px 1fr; gap: 6px 8px; margin: 12px 0; }
dt { color: var(--muted); }
dd { margin: 0; }
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: rgba(247, 244, 238, 0.94);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
dialog {
  width: min(560px, 100%);
  max-height: min(92vh, 860px);
  border: 0;
  border-radius: 20px;
  padding: 0;
  background: var(--card);
  color: var(--ink);
}
dialog::backdrop { background: rgba(23, 35, 43, 0.46); }
@media (max-width: 640px) {
  dialog {
    width: 100%;
    height: 100%;
    max-height: 100%;
    margin: 0;
    border-radius: 0;
  }
}
@media (min-width: 800px) {
  body { max-width: 760px; margin: 0 auto; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
}