:root {
  --bg: #0f0d1a;
  --panel: #1a1730;
  --panel-2: #241f40;
  --text: #f2eefc;
  --muted: #a99fc9;
  --accent: #c9a7ff;
  --accent-2: #ffd166;
  --warn: #ff6b6b;
  --ok: #7be495;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #3b2a6b 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
.mono { font-family: ui-monospace, Menlo, monospace; letter-spacing: 0.04em; }

.hero {
  text-align: center;
  padding: 40px 20px 24px;
}
.hero__date { margin: 0; color: var(--accent-2); font-weight: 700; letter-spacing: 0.1em; }
.hero h1 { margin: 6px 0; font-size: clamp(28px, 6vw, 44px); }
.hero__sub { margin: 0; color: var(--muted); }
.hero__countdown { margin-top: 14px; font-size: 15px; color: var(--accent); }

.tabs {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  background: rgba(15, 13, 26, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab {
  flex: 1;
  min-width: 90px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.tab.is-active { background: var(--accent); color: #1a1030; border-color: var(--accent); }

main { max-width: 900px; margin: 0 auto; padding: 20px 16px 60px; }
.panel { display: none; }
.panel.is-active { display: block; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card h2 { margin: 0 0 12px; font-size: 18px; color: var(--accent); }
.card dl { margin: 0; display: grid; grid-template-columns: 80px 1fr; gap: 6px 10px; }
.card dt { color: var(--muted); font-size: 14px; }
.card dd { margin: 0; }
.card ul, .card ol { margin: 0; padding-left: 20px; }
.card li + li { margin-top: 6px; }
.card--warn { border-color: rgba(255, 107, 107, 0.5); background: rgba(255, 107, 107, 0.08); }
.card--warn h2 { color: var(--warn); }
.card--ticket { grid-column: 1 / -1; }
.note { margin: 10px 0 0; font-size: 14px; color: var(--muted); }

.train { display: grid; gap: 8px; }
.train__leg {
  display: grid;
  grid-template-columns: auto auto auto auto auto;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  background: var(--panel-2);
  border-radius: 10px;
}
.train__leg span { color: var(--muted); font-size: 14px; }
.train__leg b { font-size: 20px; }
.train__leg i { color: var(--accent-2); font-style: normal; }

.hint { color: var(--muted); font-size: 14px; margin: 0 0 14px; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--border);
  background: var(--panel);
  margin-bottom: 8px;
  border-radius: 0 10px 10px 0;
}
.timeline time { font-weight: 700; color: var(--accent-2); font-variant-numeric: tabular-nums; }
.timeline .t-title { font-weight: 600; }
.timeline .t-memo { color: var(--muted); font-size: 14px; margin-top: 3px; }
.timeline li.is-key { border-left-color: var(--warn); }
.timeline li.is-key time { color: var(--warn); }
.timeline li.is-now { border-left-color: var(--ok); background: rgba(123, 228, 149, 0.1); }
.timeline li.is-now::after { content: "지금"; color: var(--ok); font-size: 12px; font-weight: 700; grid-column: 2; }
.timeline li.is-past { opacity: 0.55; }

.budget-summary {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.budget-summary__row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 16px; }
.budget-summary__row b { font-variant-numeric: tabular-nums; }
.budget-summary__row.is-over b { color: var(--warn); }
.bar { height: 10px; background: var(--panel-2); border-radius: 999px; overflow: hidden; margin: 10px 0 8px; }
.bar__fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.3s; }
.bar__fill.is-over { background: var(--warn); }

.budget { width: 100%; border-collapse: collapse; font-size: 15px; }
.budget th, .budget td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.budget th { color: var(--muted); font-weight: 600; font-size: 13px; }
.budget .num { text-align: right; }
.budget .cat { color: var(--accent); font-size: 13px; white-space: nowrap; }
.budget .memo { color: var(--muted); font-size: 13px; }
.budget input {
  width: 90px;
  padding: 6px 8px;
  text-align: right;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.budget tfoot td { font-weight: 700; border-bottom: none; }

.category { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 18px 0; }
.category div { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.category span { display: block; color: var(--muted); font-size: 13px; }
.category b { font-size: 18px; }
.category small { color: var(--muted); }

.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px; }
.checklist label { display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px; cursor: pointer; }
.checklist input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--accent); flex-shrink: 0; }
.checklist li.is-done label { text-decoration: line-through; color: var(--muted); }
.checklist .c-memo { display: block; font-size: 13px; color: var(--muted); }

.btn {
  margin-top: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}

.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 20px; border-top: 1px solid var(--border); }

@media (max-width: 520px) {
  .card dl { grid-template-columns: 1fr; gap: 2px; }
  .card dt { margin-top: 8px; }
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
  .budget .memo { display: none; }
}