:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --line: #e3e5ea;
  --text: #1d1f23;
  --muted: #6b7280;
  --brand: #4f6ef7;
  --occupied: #e5484d;
  --occupied-soft: #fdecec;
  --available: #22a06b;
  --available-soft: #e8f7f0;
  --disabled: #8b8f98;
  --disabled-soft: #f0f1f3;
  --radius: 12px;
  /* 2.0 房间类型色带：顺序固定 LED → 绿幕 → 实景，色值与桌面端一致 */
  --band-h: 10px;
  --led-bar: #8fbde8;
  --green-bar: #7dd3b4;
  --real-bar: #ebc389;
  font-synthesis: none;
}

* { box-sizing: border-box; }

/* hidden 属性必须压过组件自身的 display（授权门/主视图/弹窗都靠它切换） */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

button { font: inherit; cursor: pointer; }

/* ---------- 授权门 ---------- */
.gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.gate-card {
  width: 100%;
  max-width: 460px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 26px 22px;
  box-shadow: 0 12px 32px rgba(20, 25, 45, .08);
}
.gate-logo { display: block; margin: 0 auto 10px; border-radius: 16px; }
.gate h1 { margin: 0; text-align: center; font-size: 22px; }
.gate-sub { margin: 4px 0 22px; text-align: center; color: var(--muted); font-size: 13px; }
.field { display: block; margin-bottom: 14px; }
.field span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.field input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
}
.field input:focus { outline: 2px solid rgba(79, 110, 247, .35); border-color: var(--brand); }
button.primary {
  width: 100%;
  margin-top: 4px;
  padding: 12px;
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
}
button.primary:disabled { opacity: .6; cursor: default; }
.gate-message {
  margin: 12px 0 0;
  padding: 9px 11px;
  border-radius: 9px;
  background: var(--occupied-soft);
  color: #a3282c;
  font-size: 13px;
}
.gate-hint { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }
.gate-hint strong { color: var(--text); font-size: 13px; }
.gate-hint ul { margin: 8px 0 0; padding-left: 18px; }
.gate-hint li { margin-bottom: 4px; }

/* ---------- 顶栏 ---------- */
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(245,246,248,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.topbar-row { display: flex; align-items: center; gap: 10px; padding: 10px 16px; flex-wrap: wrap; }
.topbar-row.timeline { padding-top: 0; gap: 12px; }
.spacer { flex: 1 1 auto; }
#search { flex: 1 1 220px; min-width: 160px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font: inherit; }
#datePicker { padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font: inherit; }
#timeline { flex: 1 1 auto; min-width: 140px; accent-color: var(--brand); }
.edge { color: var(--muted); font-size: 12px; }
button.ghost { padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--text); }
button.ghost:hover { border-color: #c9cdd6; }
button.ghost.danger { color: #a3282c; }
button.ghost:disabled { opacity: .55; cursor: default; }
.status { color: var(--muted); font-size: 13px; white-space: nowrap; }
.status.ok { color: var(--available); }
.status.warn { color: #b7791f; }
.status.bad { color: #a3282c; }

.banner { margin: 10px 16px 0; padding: 10px 12px; border-radius: 10px; background: #fff8e6; border: 1px solid #f2dca6; color: #8a6100; font-size: 13px; }

/* ---------- 看板 ---------- */
.board { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 16px; }
.building { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; min-width: 0; }
.building h2 { margin: 0 0 12px; font-size: 17px; }
.floor { display: flex; gap: 10px; padding: 8px 0; border-top: 1px dashed var(--line); }
.floor:first-of-type { border-top: 0; }
.floor-name { flex: 0 0 42px; color: var(--muted); font-size: 13px; padding-top: 8px; }
.rooms { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 6px; flex: 1 1 auto; min-width: 0; }

.room {
  position: relative;
  overflow: hidden;              /* 让底部色带被圆角裁掉，不戳出卡片外 */
  border: 1px solid var(--line);
  border-radius: 10px;
  /* 底部始终预留色带高度：类型随查看日期变化，若按类型增减内边距，
     拖动时间轴时整块看板会不停回流。 */
  padding: 8px 9px calc(var(--band-h) + 7px);
  background: #fff;
  text-align: left;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: transform .06s ease, box-shadow .12s ease;
}
.room:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(20,25,45,.09); }
.room .name { font-weight: 600; font-size: 13.5px; word-break: break-all; }
.room .meta { color: var(--muted); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.room.occupied { background: var(--occupied-soft); border-color: #f4c2c4; }
.room.occupied .name { color: #9c2226; }
.room.occupied .meta { color: #b04a4e; }
.room.available { background: var(--available-soft); border-color: #bfe6d4; }
.room.available .name { color: #146b48; }
.room.available .meta { color: #3d8a68; }
.room.disabled { background: var(--disabled-soft); border-color: #dfe1e5; }
.room.disabled .name { color: #6f747d; text-decoration: line-through; }
.empty-hint { color: var(--muted); padding: 10px 4px; font-size: 13px; }

/* ---------- 2.0 房间类型色带 ---------- */
.room .band {
  position: absolute;
  inset: auto 0 0 0;
  height: var(--band-h);
  display: flex;
  pointer-events: none;
}
.room .band span { flex: 1 1 0; }
.room .band .led { background: var(--led-bar); }
.room .band .green { background: var(--green-bar); }
.room .band .real { background: var(--real-bar); }
.room.disabled .band { opacity: .55; }

/* ---------- 2.0 详情浮层 ---------- */
.peek {
  position: fixed;
  z-index: 50;
  width: 250px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 13px;
  box-shadow: 0 10px 28px rgba(20,24,40,.14);
  font-size: 13px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .12s ease, transform .12s ease;
  pointer-events: none;          /* 桌面浮层不可交互，避免挡住卡片自身的悬停判定 */
}
.peek.show { opacity: 1; transform: translateY(0); }
.peek-head { display: flex; align-items: baseline; gap: 8px; }
.peek-name { font-size: 14px; font-weight: 600; flex: 0 0 auto; }
.peek-loc { font-size: 12px; color: #9aa1ad; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.peek-state { font-size: 12px; flex: 0 0 auto; white-space: nowrap; }
.peek-div { height: 1px; background: var(--line); margin: 9px 0; }
.peek-row { display: flex; gap: 10px; margin-bottom: 6px; align-items: flex-start; }
.peek-row:last-child { margin-bottom: 0; }
.peek-key { flex: 0 0 52px; color: #9aa1ad; font-size: 12px; }
.peek-val { font-size: 13px; word-break: break-word; }
.peek-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.peek-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; }
.peek-chip i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }

/* 触屏形态：底部抽屉 + 半透明遮罩，可交互（内含「查看详情」） */
.peek-backdrop {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(19,22,32,.32);
  opacity: 0;
  transition: opacity .12s ease;
}
.peek-backdrop.show { opacity: 1; }
.peek.sheet {
  left: 0;
  right: 0;
  top: auto;
  bottom: 0;
  width: auto;
  max-width: 520px;
  margin: 0 auto;
  border-radius: 16px 16px 0 0;
  border-bottom: 0;
  padding: 16px 18px calc(16px + env(safe-area-inset-bottom));
  z-index: 60;
  pointer-events: auto;
  transform: translateY(14px);
}
.peek.sheet.show { transform: translateY(0); }
.peek-actions { display: flex; gap: 8px; margin-top: 13px; }
.peek-actions button { flex: 1 1 auto; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--text); }
.peek-actions button.peek-detail { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

/* ---------- 底栏 ---------- */
.bottombar { position: sticky; bottom: 0; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 10px 16px; background: rgba(245,246,248,.96); border-top: 1px solid var(--line); font-size: 13px; }
.date-label { font-weight: 600; }
.stats { display: flex; gap: 14px; flex-wrap: wrap; margin-left: auto; color: var(--muted); }
.stat { display: inline-flex; align-items: center; gap: 5px; }
.stat i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.stat.occupied i { background: var(--occupied); }
.stat.available i { background: var(--available); }
.stat.disabled i { background: var(--disabled); }
.stat b { color: var(--text); }

/* ---------- 详情弹窗 ---------- */
.modal { position: fixed; inset: 0; z-index: 40; background: rgba(19,22,32,.42); display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-card { width: min(560px, 100%); max-height: 80vh; overflow: auto; background: #fff; border-radius: 16px; padding: 18px 20px 20px; }
.modal-head { display: flex; align-items: center; gap: 10px; }
.modal-head h2 { margin: 0; font-size: 18px; flex: 1 1 auto; }
.modal-sub { color: var(--muted); font-size: 13px; margin: 6px 0 14px; }
.project { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
.project .title { font-weight: 600; margin-bottom: 4px; }
.project .row { color: var(--muted); font-size: 12.5px; }
.project .notes { margin-top: 6px; white-space: pre-wrap; font-size: 13px; }
.project.occupied-edge { border-left: 3px solid var(--occupied); }

/* ---------- 手机适配 ---------- */
@media (max-width: 900px) {
  .board { grid-template-columns: 1fr; gap: 12px; padding: 12px; }
  .topbar-row { padding: 8px 12px; gap: 8px; }
  .topbar-row.timeline { padding-bottom: 10px; }
  #search { flex: 1 1 100%; order: -1; }
  .rooms { grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); }
  .bottombar { position: static; }
  .stats { margin-left: 0; width: 100%; }
  .edge { display: none; }
}

/* ── 家底设备（浮层两列 / 房间详情清单，设计文档 §四·七） ── */
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px 10px}
.pd-cell{font-size:12px;white-space:nowrap}
.peek-fallback .pd-note{display:block;font-size:11px;color:#854F0B;margin-top:3px}
.device-ledger{margin-bottom:14px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fbfcfd}
.dl-title{font-size:12.5px;font-weight:500;margin-bottom:6px}
.dl-row{display:flex;align-items:baseline;gap:8px;font-size:12.5px;padding:2px 0}
.dl-cat{color:var(--muted);min-width:52px}
.dl-count{font-weight:500;min-width:44px}
.dl-models{color:var(--ink);flex:1}
.dl-note{margin-top:8px;font-size:11px;color:var(--muted)}