:root {
  --bg: #0b0e14;
  --bg-elev: #131822;
  --bg-elev-2: #1b2230;
  --line: #232c3b;
  --text: #e7ecf3;
  --text-dim: #8b97a8;
  --text-faint: #5a6474;
  --accent: #4fd1c5;
  --ok: #37c978;
  --warn: #f5b23e;
  --busy: #f97362;
  --full: #e8433a;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "IBM Plex Sans", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(79, 209, 197, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(249, 115, 98, 0.06), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

.wrap { max-width: 1240px; margin: 0 auto; padding: 28px 20px 64px; }

/* ---------- header ---------- */
header.masthead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 26px;
}
.masthead h1 {
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.1;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}
.masthead h1 .kw { color: var(--accent); }
.masthead .sub { color: var(--text-dim); font-size: 14px; margin: 0; }
.masthead .badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; color: var(--text-dim);
  background: var(--bg-elev); border: 1px solid var(--line);
  padding: 7px 12px; border-radius: 999px;
  font-family: var(--mono);
}
.masthead .badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--warn); box-shadow: 0 0 0 3px rgba(245, 178, 62, 0.18);
}

/* ---------- summary strip ---------- */
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 30px; }
.summary .stat {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px;
}
.summary .stat .k { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.summary .stat .v { font-size: 28px; font-weight: 650; font-family: var(--mono); margin-top: 6px; }
.summary .stat .v small { font-size: 14px; color: var(--text-faint); font-weight: 400; }

/* ---------- section ---------- */
.section-title {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-dim); margin: 34px 0 14px; font-weight: 600;
}

/* ---------- mall cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.card {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow);
  transition: transform 0.14s ease, border-color 0.14s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--bg-elev-2); }
.card .top { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.card .logo {
  width: 40px; height: 40px; border-radius: 9px; object-fit: contain;
  background: #fff; padding: 4px; flex: 0 0 auto;
}
.card .name { font-weight: 600; font-size: 15px; line-height: 1.2; }
.card .cap { font-size: 12px; color: var(--text-faint); font-family: var(--mono); }

.gauge { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.gauge .pct { font-size: 30px; font-weight: 700; font-family: var(--mono); letter-spacing: -0.02em; }
.gauge .lbl { font-size: 12px; color: var(--text-dim); }

.bar { height: 8px; border-radius: 6px; background: var(--bg-elev-2); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 6px; transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1); }

.card .foot { display: flex; justify-content: space-between; margin-top: 12px; font-size: 13px; }
.card .foot .avail { color: var(--ok); font-family: var(--mono); }
.card .foot .occ { color: var(--text-dim); font-family: var(--mono); }

/* colour ramp helpers (set via JS) */
.lv-ok   { color: var(--ok); }   .bg-ok   { background: var(--ok); }
.lv-warn { color: var(--warn); } .bg-warn { background: var(--warn); }
.lv-busy { color: var(--busy); } .bg-busy { background: var(--busy); }
.lv-full { color: var(--full); } .bg-full { background: var(--full); }

/* ---------- two-column panels ---------- */
.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.panel h3 { margin: 0 0 4px; font-size: 15px; }
.panel .hint { margin: 0 0 14px; font-size: 12px; color: var(--text-faint); }

#map { height: 420px; border-radius: 10px; overflow: hidden; z-index: 0; }
.leaflet-container { background: #0d1420; font-family: var(--font); }
.marker-label {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,0.9); white-space: nowrap;
}

/* ---------- charts ---------- */
.chart-wrap { position: relative; }
svg text { fill: var(--text-dim); font-size: 11px; font-family: var(--mono); }
.axis path, .axis line { stroke: var(--line); }
.grid line { stroke: var(--line); stroke-opacity: 0.5; }
.rank-bar { transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.rank-label { fill: var(--text); font-family: var(--font); font-size: 12px; }
.rank-val { fill: var(--text-dim); font-family: var(--mono); font-size: 11px; }

.legend { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 12px; }
.legend button {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: 0; color: var(--text-dim);
  font-family: var(--mono); font-size: 12px; cursor: pointer; padding: 2px 4px;
  opacity: 0.45; transition: opacity 0.15s;
}
.legend button.on { opacity: 1; color: var(--text); }
.legend button .sw { width: 12px; height: 3px; border-radius: 2px; }

.tooltip {
  position: fixed; pointer-events: none; z-index: 500;
  background: #05070c; border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px; font-size: 12px; font-family: var(--mono);
  box-shadow: var(--shadow); opacity: 0; transition: opacity 0.1s; max-width: 220px;
}
.tooltip b { color: var(--accent); }

/* ---------- footer ---------- */
footer.foot {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line);
  color: var(--text-faint); font-size: 12px; line-height: 1.6;
}
footer.foot a { color: var(--text-dim); }

@media (max-width: 820px) {
  .summary { grid-template-columns: repeat(2, 1fr); }
  .panels { grid-template-columns: 1fr; }
}