/* styles.css */
:root {
  --bg: #111827;
  --card: #1f2937;
  --card-2: #243244;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #0ea5e9;
  --danger: #f97316;
}

* {
  box-sizing: border-box;
}

body {
  background: linear-gradient(165deg, #0b1220 0%, var(--bg) 65%);
  color: var(--text);
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Helvetica, Arial, sans-serif;
}

.topbar {
  padding: 16px 20px 8px;
}

h1 {
  margin: 0;
  font-size: 1.7rem;
}

.meta, .queue-info {
  color: var(--muted);
  margin: 6px 0 0;
  font-size: .92rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(520px, 1fr) 340px;
  align-items:  start;
  gap: 16px;
  padding: 14px 20px 20px;
}

.building-card, .control-panels {
  background: color-mix(in oklab, var(--card) 86%, black);
  border: 1px solid #334155;
  border-radius: 14px;
  padding: 14px;
}

.building-shell {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items:  start;
  gap: 14px;
}

.floor-column {
  display: flex;
  flex-direction: column;
}

.floor-row {
  display: flex;
  border-bottom: 1px solid #334155;
  justify-content: space-between;
  align-items:  center;
  padding-right: 8px;
}

.floor-label {
  color: #cbd5e1;
  min-width: 42px;
  font-size: .88rem;
}

.hall-buttons {
  display: inline-flex;
  gap: 6px;
}

button {
  color: var(--text);
  cursor: pointer;
  background: #0f172a;
  border: 1px solid #475569;
  border-radius: 8px;
}

.hall-btn {
  width: 34px;
  height: 30px;
}

.hall-btn.active {
  background: color-mix(in oklab, var(--danger) 72%, #7c2d12);
  color: #fff;
  border-color: #fb923c;
}

.shafts {
  display: flex;
  gap: 12px;
}

.shaft {
  position: relative;
  overflow: hidden;
  background: repeating-linear-gradient(to top, #233148 0, #233148 1px, #172235 1px, #172235 var(--floor-height));
  border: 1px solid #475569;
  border-radius: 8px;
  width: 78px;
}

.elevator-car {
  position: absolute;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  display: flex;
  color: #022c43;
  border: 1px solid #7dd3fc;
  border-radius: 8px;
  justify-content: center;
  align-items:  center;
  font-weight: 700;
  left: 7px;
  right: 7px;
  box-shadow: 0 6px 14px #0006;
}

.elevator-car.door-open {
  background: linear-gradient(#fcd34d, #f59e0b);
  border-color: #fbbf24;
}

.control-panels {
  display: flex;
  overflow: auto;
  flex-direction: column;
  gap: 12px;
  max-height: calc(100vh - 130px);
}

.panel {
  background: var(--card-2);
  border: 1px solid #3b495f;
  border-radius: 12px;
  padding: 10px;
}

.panel h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.status {
  color: var(--muted);
  margin: 0 0 8px;
  font-size: .84rem;
}

.floor-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.floor-btn {
  height: 30px;
  font-size: .8rem;
}

.floor-btn.active {
  background: #0369a1;
  border-color: #7dd3fc;
}

@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 1fr;
  }
}