/* River, station and chart views */
.river-page { max-width: 1180px; margin: 0 auto; }
.river-title { margin: 0 0 1.25rem; font-size: clamp(2rem, 5vw, 3.5rem); }
.river-card {
  margin: 0 0 1.25rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(18, 46, 59, 0.94), rgba(10, 29, 39, 0.92));
  box-shadow: var(--shadow-soft);
}
.river-card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.river-card-head h2 { margin: 0; }

.river-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0.75rem; margin-top: 1rem; }
.river-stat, .meta-box {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(2, 17, 24, 0.4);
}
.river-stat .k, .meta-box .k { margin-bottom: 0.4rem; color: var(--muted); font-size: 0.73rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.river-stat .v, .meta-box .v { color: var(--text); font-size: 1rem; font-weight: 780; }
.meta-box .s { margin-top: 0.25rem; color: var(--muted); font-size: 0.75rem; }

.river-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.river-table { min-width: 820px; font-size: 0.84rem; }

.trend {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  font-weight: 900;
}
.trend.is-rising { color: var(--warning); }
.trend.is-falling { color: var(--good); }
.trend.is-steady { color: var(--blue); }
.trend.is-unknown { color: var(--muted); }

.river-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-soft);
  font-size: 0.78rem;
  font-weight: 750;
  cursor: pointer;
}
.river-btn:hover { border-color: var(--brand); color: #fff; background: rgba(69, 208, 208, 0.12); }

.station-panel { display: flex; flex-direction: column; gap: 1rem; }
.station-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.station-hero {
  overflow: hidden;
  margin-bottom: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid rgba(69, 208, 208, 0.24);
  border-radius: var(--radius);
  background: radial-gradient(circle at 12% 0%, rgba(69, 208, 208, 0.22), transparent 20rem), rgba(3, 20, 27, 0.56);
  box-shadow: var(--shadow-soft);
}
.station-hero-main { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.station-hero-value { display: flex; align-items: baseline; gap: 0.5rem; }
#heroValue { color: #fff; font-size: clamp(2.5rem, 8vw, 4.4rem); font-weight: 820; line-height: 1; letter-spacing: -0.06em; }
#heroUnit, .station-hero-value .unit { color: var(--muted); font-size: 0.9rem; font-weight: 800; }
.station-hero-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5rem; }
.trend-badge, .pill { display: inline-flex; align-items: center; justify-content: center; padding: 0.5rem 0.75rem; border: 1px solid var(--line); border-radius: 999px; color: var(--text); background: rgba(2, 15, 21, 0.5); font-size: 0.75rem; font-weight: 800; white-space: nowrap; }
.trend-badge.is-rising, .pill.is-warn { color: var(--warning); border-color: rgba(255, 189, 89, 0.4); background: rgba(255, 189, 89, 0.1); }
.trend-badge.is-falling, .pill.is-good { color: var(--good); border-color: rgba(98, 214, 155, 0.4); background: rgba(98, 214, 155, 0.1); }
.trend-badge.is-steady { color: var(--blue); border-color: rgba(107, 188, 245, 0.4); background: rgba(107, 188, 245, 0.1); }
.pill.is-bad { color: var(--danger); border-color: rgba(255, 107, 115, 0.4); background: rgba(255, 107, 115, 0.1); }
.station-hero-sub { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; margin-top: 0.75rem; color: var(--muted); font-size: 0.75rem; }

.station-chart { position: relative; overflow: hidden; height: 420px; padding: 0.75rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: radial-gradient(circle at 35% 0%, rgba(107, 188, 245, 0.1), transparent 28rem), rgba(2, 15, 21, 0.42); }
.station-chart canvas { display: block; width: 100% !important; height: auto !important; }
.chart-caption { margin: 0 0 0.6rem; color: var(--muted); font-size: 0.75rem; }

@keyframes stationPulse { 50% { box-shadow: 0 0 0 1px rgba(255, 189, 89, 0.28), 0 0 30px rgba(255, 189, 89, 0.12); } }
.station-hero.is-pulsing { animation: stationPulse 1.8s ease-in-out infinite; }

@media (max-width: 900px) { .station-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) {
  .station-meta { grid-template-columns: 1fr; }
  .station-hero-main { align-items: flex-start; flex-direction: column; }
  .station-hero-badges { justify-content: flex-start; }
  .station-chart { height: 320px; }
}
@media (prefers-reduced-motion: reduce) { .station-hero.is-pulsing { animation: none; } }