/* ========== 小区停车分配 · 页面样式 ========== */
:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2d3a4d;
  --text: #e8edf4;
  --muted: #a3b3c9;
  --accent: #38bdf8;
  --danger: #f87171;
  --ok: #4ade80;
  --sidebar-w: min(22rem, 32vw);
  --sidebar-max: 22rem;
  --vehicle-rail-w: min(15rem, 28vw);
  --vehicle-rail-min: 12.5rem;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.site-tool-bar {
  flex: 1 1 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 0.25rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid rgba(45, 58, 77, 0.65);
}

.site-tool-bar a {
  font-size: 0.84rem;
  color: var(--accent);
  text-decoration: none;
}

.site-tool-bar a:hover {
  text-decoration: underline;
}

header {
  flex-shrink: 0;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

header h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  flex: 0 0 auto;
}

.hint {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.45;
}

.hint--header {
  flex: 1 1 12rem;
  min-width: min(100%, 12rem);
  max-width: 42rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    minmax(var(--vehicle-rail-min), var(--vehicle-rail-w))
    minmax(16rem, var(--sidebar-w));
  gap: 0;
  align-items: stretch;
}

@media (max-width: 900px) {
  body {
    overflow: auto;
    height: auto;
    min-height: 100%;
  }

  .layout {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hint--header {
    max-width: none;
    -webkit-line-clamp: unset;
    display: block;
  }

  .canvas-wrap {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sidebar-vehicle {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: min(48vh, 420px);
    overflow: hidden;
  }

  .sidebar-vehicle .vehicle-targets-panel--solo > .vehicle-targets-list {
    max-height: min(32vh, 280px);
  }

  .sidebar {
    max-width: none;
    justify-self: stretch;
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow: visible;
  }

  .sidebar > .panel--scroll {
    flex: 0 1 auto;
    min-height: 0;
    max-height: min(40vh, 320px);
  }

  .sidebar > .panel--props {
    flex: 0 1 auto;
    max-height: min(36vh, 280px);
  }
}

/* 最左：画布、图例、比例尺说明 */
.canvas-wrap {
  min-height: 0;
  padding: 0.65rem 1rem 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.45rem;
  background: linear-gradient(165deg, #1a222c 0%, #121820 55%, #0e141c 100%);
  width: 100%;
  overflow: hidden;
  border-right: 1px solid var(--border);
}

.map-stage {
  flex: 1;
  min-height: 0;
  width: 100%;
  max-width: min(56rem, 100%);
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1rem;
}

.map-stage #map {
  flex: 1 1 auto;
  min-width: min(100%, 260px);
  max-width: min(720px, calc(100% - 1rem));
  max-height: min(720px, calc(100vh - 9.25rem));
  width: auto;
  height: auto;
  object-fit: contain;
}

.map-legend {
  flex: 0 1 11.5rem;
  width: 11.5rem;
  max-width: min(11.5rem, 100%);
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.88);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
  line-height: 1.35;
  align-self: center;
}

.map-legend-title {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.map-legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.74rem;
  color: var(--text);
}

.map-legend-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.22rem 0;
}

.map-legend-swatch {
  flex-shrink: 0;
  width: 1.05rem;
  height: 0.68rem;
  border-radius: 3px;
  border: 1px solid rgba(45, 58, 77, 0.9);
  box-sizing: border-box;
}

.map-legend-swatch--entrance {
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 50%;
  background: #d97706;
  border-color: #292524;
}

.map-legend-swatch--building {
  background: linear-gradient(145deg, #c5ced6, #7a8794);
  border-color: #4a5560;
}

.map-legend-swatch--slot {
  background: #8b95a3;
  border-color: #f1f5f9;
  box-shadow: inset 0 0 0 1px #f1f5f9;
}

.map-legend-swatch--grass {
  background: linear-gradient(135deg, #2d5f3a, #3a7a4a 50%, #245232);
  border-color: rgba(12, 35, 18, 0.5);
}

.map-legend-swatch--road {
  background: #3a4352;
  border-color: #2c3340;
}

.map-legend-swatch--strip {
  background: transparent;
  border: 1px dashed rgba(255, 255, 255, 0.45);
}

.map-legend-swatch--path {
  height: 2px;
  margin: 0.3rem 0;
  border: none;
  border-radius: 1px;
  background: rgba(80, 86, 96, 0.85);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.map-legend-swatch--select {
  background: transparent;
  border: 2px solid #ea580c;
  border-radius: 4px;
}

.map-caption,
.chart-caption {
  margin: 0;
  max-width: min(100%, 56rem);
  width: 100%;
  font-size: 0.86rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.45;
}

#map {
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: crosshair;
  touch-action: none;
  vertical-align: top;
}

/* 右起第二列：「车辆→目的楼」 */
.sidebar-vehicle {
  border-right: 1px solid var(--border);
  border-left: none;
  background: rgba(22, 30, 42, 0.96);
  padding: 0.5rem 0.55rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.sidebar-vehicle .vehicle-targets-panel--solo {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  border: 1px solid var(--border);
  box-shadow: none;
}

.sidebar-vehicle .vehicle-targets-panel--solo > .vehicle-targets-list {
  min-height: 8rem;
}

/* 最右：场景、工具、选中、结果 */
.sidebar {
  border-right: none;
  background: var(--panel);
  padding: 0.65rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 0;
  max-width: var(--sidebar-max);
  width: 100%;
  justify-self: stretch;
  overflow: hidden;
}

.sidebar > .panel--scroll.panel--props {
  flex: 0.42 1 0;
  min-height: 4rem;
  max-height: min(38vh, 16rem);
}

.sidebar > .panel--result {
  flex: 1.35 1 0;
  min-height: 13.5rem;
}

.sidebar > .panel--result #chart {
  flex: 1 1 auto;
  min-height: 140px;
  height: auto;
  aspect-ratio: 300 / 168;
  max-height: min(46vh, 240px);
  object-fit: contain;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  flex: 0 0 auto;
}

.toolbar button {
  flex: 1 1 calc(50% - 0.25rem);
  min-width: 6.5rem;
}

button {
  font: inherit;
  padding: 0.42rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #243044;
  color: var(--text);
  cursor: pointer;
  font-size: 0.84rem;
}

button:hover {
  background: #2d3d54;
}

button.primary {
  background: #0369a1;
  border-color: #0ea5e9;
}

button.primary:hover {
  background: #0284c7;
}

button.danger {
  border-color: #b91c1c;
  color: #fecaca;
}

button.danger:hover {
  background: #7f1d1d;
}

button.active {
  outline: 2px solid var(--accent);
}

.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.panel--scroll {
  overflow: hidden;
}

.panel--scroll > .vehicle-targets-list,
.panel--scroll > #props-form,
.panel--scroll > .empty-select {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.panel h2 {
  margin: 0 0 0.4rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.panel-note {
  margin: 0 0 0.45rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

.prop-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.55rem;
  align-items: center;
  font-size: 0.88rem;
}

.prop-grid input {
  width: 100%;
  padding: 0.32rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #0f1419;
  color: var(--text);
}

.prop-grid input[type="checkbox"] {
  width: auto;
  justify-self: start;
  accent-color: var(--accent);
}

.result-value {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ok);
  margin: 0.15rem 0;
}

#chart {
  width: 100%;
  border-radius: 6px;
  background: #0f1419;
  border: 1px solid var(--border);
  display: block;
}

.empty-select {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.vehicle-targets-panel--solo {
  gap: 0.5rem;
}

.vehicle-targets-panel--solo > h2 {
  margin: 0;
  flex-shrink: 0;
}

.vehicle-targets-panel--solo > .panel-note--vehicle {
  margin: 0;
  flex-shrink: 0;
  font-size: 0.72rem;
  line-height: 1.4;
}

.vehicle-targets-actions {
  margin: 0;
  padding-bottom: 0.1rem;
  flex-shrink: 0;
}

.vehicle-targets-actions button {
  width: 100%;
  padding: 0.4rem 0.5rem;
  font-size: 0.8rem;
}

.vehicle-targets-panel .vehicle-targets-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-right: 6px;
}

.vehicle-targets-panel--solo .vehicle-targets-list {
  padding: 0.4rem 8px 0.45rem 3px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.14);
  border: 1px solid rgba(45, 58, 77, 0.42);
}

.vehicle-target-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 0.45rem;
  align-items: center;
  font-size: 0.84rem;
}

.sidebar-vehicle .vehicle-target-row {
  grid-template-columns: 1fr;
  gap: 0.2rem;
  align-items: stretch;
}

.sidebar-vehicle .vehicle-target-row label {
  font-size: 0.68rem;
}

.vehicle-target-row label {
  color: var(--muted);
}

.vehicle-target-row select {
  font: inherit;
  padding: 0.32rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #0f1419;
  color: var(--text);
  width: 100%;
  min-width: 0;
  font-size: 0.82rem;
}