/* styles.css */
:root {
  --buncss-light: initial;
  --buncss-dark: ;
  color-scheme: light;
  --bg: #f5f7f8;
  --panel: #fff;
  --ink: #172026;
  --muted: #63717c;
  --line: #dbe2e6;
  --accent: #007c89;
  --accent-dark: #005e68;
  --warn: #c25a00;
  --shaft: #e8edf0;
  --elevator: #24343d;
  --elevator-lit: #f4c84a;
  --active: #dbf4f0;
  --shadow: 0 18px 42px #1720261f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  color: var(--ink);
  background: linear-gradient(180deg, #007c8914, transparent 300px), var(--bg);
  min-width: 320px;
  margin: 0;
}

button {
  font: inherit;
}

.app-shell {
  width: min(1480px, 100% - 32px);
  margin: 0 auto;
  padding: 24px 0 32px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items:  end;
  gap: 24px;
  margin-bottom: 18px;
}

h1, h2, p, dl, dd {
  margin: 0;
}

h1 {
  letter-spacing: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: .95;
}

h2 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.subtitle {
  color: var(--muted);
  margin-top: 8px;
}

.run-info {
  display: grid;
  grid-template-columns: repeat(3, minmax(112px, 1fr));
  gap: 8px;
  min-width: min(520px, 100%);
}

.run-info div {
  border: 1px solid var(--line);
  background: #ffffffb8;
  border-radius: 8px;
  padding: 10px 12px;
}

.run-info dt {
  color: var(--muted);
  text-transform: uppercase;
  font-size: .72rem;
}

.run-info dd {
  overflow-wrap: anywhere;
  margin-top: 3px;
  font-weight: 700;
}

.dashboard {
  display: grid;
  grid-template-columns: minmax(640px, 1fr) minmax(320px, 390px);
  align-items:  start;
  gap: 18px;
}

.building-panel, .control-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.building-panel {
  overflow: hidden;
}

.building-header, .floor-row {
  display: grid;
  grid-template-columns: 74px 132px 1fr;
  align-items: stretch;
  gap: 12px;
}

.building-header {
  color: var(--muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  background: #f9fbfb;
  padding: 12px 16px;
  font-size: .78rem;
  font-weight: 700;
}

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

.floor-row {
  border-bottom: 1px solid var(--line);
  min-height: 72px;
  padding: 8px 16px;
}

.floor-row:last-child {
  border-bottom: 0;
}

.floor-label {
  display: flex;
  background: #edf2f4;
  border-radius: 8px;
  justify-content: center;
  align-items:  center;
  font-size: 1.1rem;
  font-weight: 800;
}

.hall-controls {
  display: grid;
  grid-template-columns: repeat(2, 42px);
  place-content:  center start;
  gap: 8px;
}

.icon-button {
  display: inline-grid;
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  background: #fff;
  border-radius: 8px;
  place-items:  center;
  width: 42px;
  height: 42px;
  transition: background .14s, border-color .14s, color .14s, transform .14s;
}

.icon-button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  transform: translateY(-1px);
}

.icon-button:active {
  transform: translateY(0);
}

.icon-button.active {
  border-color: var(--accent);
  background: var(--active);
  color: var(--accent-dark);
}

.icon-button:disabled {
  opacity: .28;
  cursor: not-allowed;
  transform: none;
}

.shaft-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(54px, 1fr));
  align-items: stretch;
  gap: 8px;
}

.shaft-cell {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, transparent 48%, #17202617 49% 51%, transparent 52%), var(--shaft);
  border: 1px solid #d5dde1;
  border-radius: 8px;
  min-height: 56px;
}

.shaft-cell:before {
  content: "";
  position: absolute;
  background: linear-gradient(#ffffff80, #0000);
  inset: 0;
}

.car {
  position: absolute;
  display: grid;
  color: #fff;
  background: linear-gradient(90deg, transparent 48%, #ffffff29 49% 51%, transparent 52%), var(--elevator);
  border: 2px solid #ffffffb3;
  border-radius: 6px;
  place-items:  center;
  font-weight: 800;
  inset: 7px 9px;
  box-shadow: 0 6px 16px #17202642;
}

.car:after {
  content: "";
  position: absolute;
  background: var(--elevator-lit);
  border-radius: 50%;
  width: 8px;
  height: 8px;
  top: 8px;
}

.car.moving {
  animation: pulse .9s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    transform: scale(.96);
  }
}

.control-panel {
  display: grid;
  overflow: auto;
  gap: 18px;
  max-height: calc(100vh - 150px);
  padding: 16px;
}

.elevator-panels {
  display: grid;
  gap: 12px;
}

.elevator-panel {
  border: 1px solid var(--line);
  background: #fbfcfc;
  border-radius: 8px;
  padding: 12px;
}

.elevator-status {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  font-size: .88rem;
}

.status-pill {
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  padding: 3px 9px;
  font-weight: 700;
}

.status-pill.idle {
  color: var(--ink);
  background: #e8edf0;
}

.floor-buttons {
  display: grid;
  grid-template-columns: repeat(5, minmax(36px, 1fr));
  gap: 7px;
}

.floor-button {
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  background: #fff;
  border-radius: 8px;
  min-height: 36px;
  font-weight: 800;
}

.floor-button:hover, .floor-button.active {
  border-color: var(--accent);
  background: var(--active);
}

.queue-list {
  color: var(--muted);
  min-height: 42px;
  margin: 0;
  padding-left: 22px;
}

.queue-list li {
  margin: 6px 0;
}

.empty-state {
  color: var(--muted);
  font-size: .92rem;
}

.event-log {
  display: grid;
  overflow: auto;
  color: var(--muted);
  align-content:  start;
  gap: 7px;
  min-height: 120px;
  max-height: 220px;
  font-size: .9rem;
}

.event {
  border-left: 3px solid var(--accent);
  padding-left: 9px;
}

@media (max-width: 980px) {
  .topbar, .dashboard {
    grid-template-columns: 1fr;
    display: grid;
  }

  .run-info {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .control-panel {
    max-height: none;
  }
}

@media (max-width: 650px) {
  .app-shell {
    width: min(100% - 18px, 1480px);
    padding-top: 12px;
  }

  .run-info {
    grid-template-columns: 1fr;
  }

  .building-panel {
    overflow-x: auto;
  }

  .building-header, .floor-row {
    grid-template-columns: 62px 104px 1fr;
    min-width: 620px;
  }

  .floor-row {
    padding-inline-start: 10px;
    padding-inline-end: 10px;
  }
}