:root {
  --bg: #0f1218;
  --panel: #161b24;
  --panel-2: #1d2330;
  --border: #2a3142;
  --text: #e6e9f0;
  --text-dim: #8b94a7;
  --accent: #4cc38a;
  --accent-2: #6a9bff;
  --warn: #ff7b54;

  --s1: #2ecc71;
  --s2: #82c91e;
  --s3: #fab005;
  --s4: #fd7e14;
  --s5: #e8590c;
  --s6: #e03131;
  --s7: #c92a2a;
  --s8: #862e9c;
  --s9: #111;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  display: flex;
  flex-direction: column;
}

header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: linear-gradient(180deg, #131826 0%, #0f1218 100%);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { font-size: 28px; line-height: 1; }
.brand h1 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: 0.3px; }
.brand .sub { margin: 2px 0 0; color: var(--text-dim); font-size: 12px; }
.presets { display: flex; gap: 6px; flex-wrap: wrap; }
.preset {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 11px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
  transition: all .15s;
}
.preset:hover { border-color: var(--accent); color: var(--accent); }
.preset.reset { color: var(--text-dim); }

main {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: 0;
}

#map {
  height: 100%;
  background: #0a0d12;
}

#panel {
  height: 100%;
  border-left: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.filter-block {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.filter-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.filter-head h2 { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); margin: 0; font-weight: 600; }
.link-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 12px; }
.link-btn:hover { color: var(--accent); }

.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all .15s;
}
.chip:hover { border-color: var(--accent-2); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #0a0d12; font-weight: 600; }
.chip .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.chip .count { color: var(--text-dim); font-size: 11px; }
.chip.active .count { color: #0a0d12; }

.sliders { display: flex; flex-direction: column; gap: 10px; }
.sliders label { font-size: 12px; color: var(--text-dim); display: grid; grid-template-columns: 1fr 1fr; gap: 4px 8px; align-items: center; }
.sliders label > span { color: var(--text); justify-self: end; font-variant-numeric: tabular-nums; }
.sliders input[type=range] { width: 100%; }

#sort {
  width: 100%;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 13px;
}

#route-list {
  list-style: none;
  margin: 0;
  padding: 6px 8px;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
#route-list::-webkit-scrollbar { width: 6px; }
#route-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: border-color .15s, transform .1s;
}
.card:hover, .card.active { border-color: var(--accent); }
.card.active { background: #1f2939; }
.card.no-loc { opacity: 0.6; }
.card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.card-star {
  display: inline-block;
  width: 26px;
  height: 22px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  line-height: 22px;
  flex: 0 0 auto;
}
.card-name { font-weight: 600; flex: 1 1 auto; }
.card-region { color: var(--text-dim); font-size: 11px; }
.card-stats { display: flex; gap: 10px; font-size: 12px; color: var(--text-dim); margin-bottom: 8px; }
.card-stats b { color: var(--text); font-weight: 600; }
.card-actions { display: flex; gap: 6px; }
.card-actions a, .card-actions button {
  flex: 1 1 auto;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 5px 8px;
  text-align: center;
  text-decoration: none;
  font-size: 12px;
  cursor: pointer;
}
.card-actions a:hover { background: var(--accent); color: #0a0d12; border-color: var(--accent); }

.empty { color: var(--text-dim); text-align: center; padding: 24px; font-size: 13px; }

#about-btn {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  z-index: 1000;
  font-weight: 700;
}
#about-btn:hover { color: var(--accent); border-color: var(--accent); }
dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  max-width: 480px;
  padding: 20px 24px;
}
dialog::backdrop { background: rgba(0,0,0,0.6); }
dialog h3 { margin-top: 0; }
dialog button { margin-top: 8px; padding: 6px 14px; background: var(--accent); color: #0a0d12; border: none; border-radius: 5px; cursor: pointer; }
dialog a { color: var(--accent-2); }

/* Leaflet markers */
.leaflet-marker-icon.star-pin {
  background: transparent !important;
  border: none !important;
}
.pin {
  width: 18px; height: 18px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border: 2px solid rgba(255,255,255,0.9);
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}
.pin .pin-num {
  display: block;
  transform: rotate(45deg);
  text-align: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  line-height: 14px;
  text-shadow: 0 0 2px rgba(0,0,0,0.5);
}
.pin.s1 { background: var(--s1); } .pin.s2 { background: var(--s2); } .pin.s3 { background: var(--s3); }
.pin.s4 { background: var(--s4); } .pin.s5 { background: var(--s5); } .pin.s6 { background: var(--s6); }
.pin.s7 { background: var(--s7); } .pin.s8 { background: var(--s8); } .pin.s9 { background: var(--s9); }

.leaflet-popup-content-wrapper { background: var(--panel); color: var(--text); border-radius: 8px; }
.leaflet-popup-content { margin: 10px 12px; min-width: 200px; }
.leaflet-popup-tip { background: var(--panel); }
.leaflet-popup .popup-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.leaflet-popup .popup-region { color: var(--text-dim); font-size: 11px; margin-bottom: 6px; }
.leaflet-popup .popup-stats { font-size: 12px; margin-bottom: 8px; }
.leaflet-popup .popup-stats b { color: var(--accent); }
.leaflet-popup a {
  display: inline-block;
  background: var(--accent);
  color: #0a0d12;
  padding: 4px 10px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
}

/* Star color dots in chips */
.dot.s1 { background: var(--s1); } .dot.s2 { background: var(--s2); } .dot.s3 { background: var(--s3); }
.dot.s4 { background: var(--s4); } .dot.s5 { background: var(--s5); } .dot.s6 { background: var(--s6); }
.dot.s7 { background: var(--s7); } .dot.s8 { background: var(--s8); } .dot.s9 { background: var(--s9); }
.card-star.s1 { background: var(--s1); } .card-star.s2 { background: var(--s2); } .card-star.s3 { background: var(--s3); }
.card-star.s4 { background: var(--s4); } .card-star.s5 { background: var(--s5); } .card-star.s6 { background: var(--s6); }
.card-star.s7 { background: var(--s7); } .card-star.s8 { background: var(--s8); } .card-star.s9 { background: var(--s9); }

@media (max-width: 820px) {
  header { flex-direction: column; align-items: stretch; gap: 8px; padding: 8px 12px; }
  .brand h1 { font-size: 15px; }
  .presets { justify-content: center; }
  main { grid-template-columns: 1fr; grid-template-rows: 45vh 1fr; }
  #panel { border-left: none; border-top: 1px solid var(--border); }
}