*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
  --bg: #060c1f;
  --bg-1: #0a1430;
  --bg-2: #0f1a3d;
  --bg-card: rgba(16, 28, 60, 0.55);
  --border: rgba(99, 145, 255, 0.18);
  --border-2: rgba(99, 145, 255, 0.32);
  --text: #d8e4ff;
  --text-2: #a0b0d8;
  --text-3: #6b7da3;
  --primary: #4f8bff;
  --primary-2: #6ea8ff;
  --cyan: #22d3ee;
  --green: #34d399;
  --orange: #fb923c;
  --yellow: #facc15;
  --red: #ef4444;
  --pink: #f472b6;
  --blue: #60a5fa;
  --gray: #94a3b8;
}

html, body { width: 100%; height: 100%; overflow: hidden; }

body {
  background:
    radial-gradient(ellipse at 20% 10%, rgba(79,139,255,0.18), transparent 50%),
    radial-gradient(ellipse at 80% 90%, rgba(96,165,250,0.12), transparent 50%),
    linear-gradient(180deg, #050a1a 0%, #0a1226 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  font-size: 14px;
}

.app { width: 100vw; height: 100vh; min-width: 0; min-height: 0; display: flex; flex-direction: column; }

.topbar,
.navbar {
  display: none !important;
}

/* ====== 顶部状态栏 ====== */
.topbar {
  height: 56px; display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; padding: 0 32px;
  background: linear-gradient(180deg, rgba(20,35,75,0.9), rgba(10,20,48,0.4));
  border-bottom: 1px solid var(--border);
  position: relative; flex-shrink: 0;
}
.topbar::after {
  content:''; position:absolute; bottom:-1px; left:50%; transform:translateX(-50%);
  width:60%; height:1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.topbar-left, .topbar-right {
  display: flex; align-items: center; gap: 18px; font-size: 13px; color: var(--text-2);
}
.topbar-right { justify-content: flex-end; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-item b { color: var(--primary-2); font-weight: 600; }
.topbar-item.ok { color: var(--green); }
.topbar-item.ok::before { content:''; width:6px;height:6px;border-radius:50%; background:var(--green); box-shadow:0 0 8px var(--green); }
.topbar-center { text-align: center; }
.topbar-title {
  font-size: 30px; font-weight: 700; letter-spacing: 4px;
  background: linear-gradient(180deg, #fff 0%, #9bbcff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(79,139,255,0.5);
}
.topbar-subtitle { font-size: 12px; color: var(--text-3); letter-spacing: 6px; margin-top: 2px; }
.dot { width:8px;height:8px;border-radius:50%;display:inline-block; }
.dot.live { background:var(--green); box-shadow:0 0 10px var(--green); animation:pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ====== 导航栏 ====== */
.navbar {
  height: 56px; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0 32px; background: rgba(10,20,48,0.5); border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.nav-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 28px; border-radius: 8px;
  font-size: 15px; color: var(--text-2); cursor: pointer; transition: all .2s;
}
.nav-item:hover { color: var(--text); background: rgba(79,139,255,0.08); }
.nav-item.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(79,139,255,0.25), rgba(110,168,255,0.15));
  border: 1px solid var(--border-2);
  box-shadow: 0 0 20px rgba(79,139,255,0.3), inset 0 0 20px rgba(79,139,255,0.1);
  position: relative;
}
.nav-item.active::after {
  content:''; position:absolute; left:50%; bottom:-12px; transform:translateX(-50%);
  width:30px; height:2px; background:var(--primary); box-shadow:0 0 8px var(--primary);
}

/* ====== 主体三栏 ====== */
.main {
  flex: 1; display: grid;
  grid-template-columns: clamp(260px, 19vw, 340px) minmax(0, 1fr) clamp(260px, 19vw, 340px);
  gap: 16px; padding: 16px 16px 12px; overflow: hidden;
  min-width: 0; min-height: 0;
}
.col { display: flex; flex-direction: column; gap: 12px; min-height: 0; overflow-y: auto; }
.col::-webkit-scrollbar { width: 3px; }
.col::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }

/* ====== 卡片通用 ====== */
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; backdrop-filter: blur(8px); position: relative;
}
.card::before {
  content:''; position:absolute; top:0; left:16px; right:16px; height:1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent); opacity:.6;
}
.card-header {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; color: var(--text);
  margin-bottom: 12px; padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}
.card-ico { width:4px; height:14px; border-radius:2px; background:linear-gradient(180deg,var(--primary),var(--cyan)); box-shadow:0 0 6px var(--primary); flex-shrink:0; }
.card-more { margin-left:auto; font-size:12px; color:var(--text-3); cursor:pointer; font-weight:400; text-decoration:none; }
.card-more:hover { color:var(--primary-2); }

/* ==================================================================== */
/* 左侧 - 空间选择                                                      */
/* ==================================================================== */
.card-space-select { flex-shrink: 0; display: flex; flex-direction: column; }
.card-space-select .card-header { flex-shrink: 0; }
.space-list { display: flex; flex-direction: column; gap: 8px; overflow-y: auto; padding-right: 2px; }

.space-card {
  display: flex; align-items: stretch; gap: 12px;
  padding: 0; border-radius: 8px; cursor: pointer;
  border: 1px solid transparent;
  background: rgba(15,26,61,0.4);
  transition: all .2s;
  overflow: hidden;
  min-height: 72px;
}
.space-card:hover { border-color: var(--border-2); background: rgba(79,139,255,0.08); }
.space-card.active {
  border-color: var(--primary);
  background: rgba(79,139,255,0.15);
  box-shadow: 0 0 16px rgba(79,139,255,0.2), inset 0 0 12px rgba(79,139,255,0.06);
}

.sc-thumb {
  width: 80px; min-height: 72px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  font-size: 24px;
}
.sc-thumb {
  background: linear-gradient(135deg, #1a3a6a, #0d2847);
  border-right: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.sc-thumb img {
  width: 44px; height: 44px; object-fit: contain;
  display: block;
}

.sc-body {
  display: flex; flex-direction: column; justify-content: center;
  gap: 3px; padding: 10px 10px 10px 0; flex: 1; min-width: 0;
}
.sc-name { font-size: 14px; font-weight: 600; color: var(--text); }
.sc-sub { font-size: 11px; color: var(--text-3); }
.sc-stats { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-3); margin-top: 2px; }
.sc-stat b { color: var(--primary-2); font-weight: 600; }
.sc-stat b.on { color: var(--green); }
.sc-div { color: var(--border-2); }

/* ==================================================================== */
/* 左侧 - 会议室状态                                                     */
/* ==================================================================== */
.card-meeting-status { flex-shrink: 0; }
.meeting-status-list { display: flex; flex-direction: column; gap: 10px; }

.ms-card {
  background: rgba(15,26,61,0.4); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px;
}
.ms-card.ms-inuse { border-left: 3px solid var(--yellow); }
.ms-card.ms-free { border-left: 3px solid var(--green); }

.ms-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.ms-name { font-size: 14px; font-weight: 600; color: var(--text); }
.ms-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 4px;
  font-weight: 500; line-height: 1.4;
}
.ms-tag-yellow { color: var(--yellow); border: 1px solid var(--yellow); background: rgba(250,204,21,0.08); }
.ms-tag-green { color: var(--green); border: 1px solid var(--green); background: rgba(52,211,153,0.08); }

.ms-label { font-size: 11px; color: var(--text-3); margin-bottom: 4px; }
.ms-info { display: flex; flex-direction: column; gap: 2px; }
.ms-meeting-name { font-size: 13px; font-weight: 600; color: var(--text); }
.ms-time { font-size: 12px; color: var(--cyan); }
.ms-user { font-size: 12px; color: var(--text-2); }

.ms-btn {
  margin-top: 10px; padding: 6px 0; width: 100%;
  font-size: 12px; color: var(--primary-2);
  background: rgba(79,139,255,0.1); border: 1px solid rgba(79,139,255,0.25);
  border-radius: 6px; cursor: pointer; font-family: inherit; transition: all .15s;
}
.ms-btn:hover { background: rgba(79,139,255,0.2); border-color: var(--primary); }

/* ==================================================================== */
/* 中间 - 空间平面图                                                     */
/* ==================================================================== */
.card-floorplan { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.card-floorplan .card-header { flex-shrink: 0; }

.fp-tools { display: flex; gap: 4px; margin-left: auto; }
.fp-tool {
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; line-height: 1;
  border-radius: 4px; border: 1px solid var(--border);
  background: rgba(15,26,61,0.5); color: var(--text-2);
  cursor: pointer; font-family: inherit; transition: all .15s;
}
.fp-tool:hover { border-color: var(--primary-2); color: var(--text); background: rgba(79,139,255,0.1); }

.fp-container {
  flex: 1; min-height: 0; overflow: hidden;
  border: 1px solid var(--border); border-radius: 8px;
  background: rgba(10,18,40,0.5);
  position: relative;
}
.fp-floor {
  width: 100%; height: 100%; position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  gap: 0; padding: 0;
}

/* Lab floorplan cells */
.fp-cell {
  border: 1px solid rgba(99,145,255,0.12);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; padding: 6px;
  background: rgba(15,26,61,0.15);
}
.fp-cell::before {
  content: ''; position: absolute; inset: 4px;
  border: 1px dashed rgba(99,145,255,0.06);
  border-radius: 4px;
  pointer-events: none;
}

.fp-device {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 4px 10px; border-radius: 6px;
  font-size: 11px; color: var(--text-2);
  background: rgba(15,26,61,0.5);
  border: 1px solid var(--border);
  position: relative;
}
.fp-device .fp-dev-icon { font-size: 18px; line-height: 1; }
.fp-device .fp-dev-name { font-size: 10px; color: var(--text-2); white-space: nowrap; }
.fp-device .fp-dev-status {
  font-size: 9px; padding: 1px 5px; border-radius: 3px;
  white-space: nowrap;
}
.fp-device.status-on .fp-dev-status { color: var(--green); border: 1px solid var(--green); background: rgba(52,211,153,0.08); }
.fp-device.status-busy .fp-dev-status { color: var(--orange); border: 1px solid var(--orange); background: rgba(251,146,60,0.08); }
.fp-device.status-idle .fp-dev-status { color: var(--gray); border: 1px solid var(--gray); background: rgba(148,163,184,0.08); }

.fp-device.highlight {
  border-color: var(--orange);
  box-shadow: 0 0 16px rgba(251,146,60,0.35), inset 0 0 12px rgba(251,146,60,0.08);
  animation: fpGlow 2s ease-in-out infinite;
}
@keyframes fpGlow {
  0%, 100% { box-shadow: 0 0 12px rgba(251,146,60,0.3), inset 0 0 10px rgba(251,146,60,0.05); }
  50% { box-shadow: 0 0 24px rgba(251,146,60,0.5), inset 0 0 16px rgba(251,146,60,0.12); }
}

/* Floorplan decorations */
.fp-wall {
  position: absolute; background: rgba(99,145,255,0.08);
  border: 1px solid rgba(99,145,255,0.12);
  pointer-events: none;
}
.fp-desk {
  position: absolute; background: rgba(99,145,255,0.04);
  border: 1px solid rgba(99,145,255,0.06);
  border-radius: 2px; pointer-events: none;
}

/* Space switch buttons */
.fp-switcher {
  display: flex; gap: 6px; padding-top: 10px; flex-shrink: 0;
}
.fp-sbtn {
  flex: 1; padding: 7px 0; text-align: center;
  font-size: 12px; font-family: inherit;
  border-radius: 6px; border: 1px solid var(--border);
  background: rgba(15,26,61,0.4); color: var(--text-3);
  cursor: pointer; transition: all .15s;
}
.fp-sbtn:hover { border-color: var(--border-2); color: var(--text-2); }
.fp-sbtn.active {
  border-color: var(--primary); color: #fff;
  background: linear-gradient(135deg, rgba(79,139,255,0.25), rgba(110,168,255,0.15));
  box-shadow: 0 0 12px rgba(79,139,255,0.2);
}

/* ==================================================================== */
/* 中间 - 摄像头预览                                                     */
/* ==================================================================== */
.card-camera { flex-shrink: 0; }
.cam-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 10px;
}
.cam-item {
  border-radius: 8px; overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(10,18,40,0.6);
  position: relative;
  aspect-ratio: 16 / 10;
  display: flex; flex-direction: column;
}
.cam-item.online { border-color: rgba(52,211,153,0.3); }
.cam-item.offline { border-color: rgba(148,163,184,0.2); opacity: .7; }

.cam-preview {
  flex: 1; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  min-height: 0;
}
.cam-preview-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,26,61,0.3), rgba(30,50,90,0.2));
}
.cam-item.online .cam-preview-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(79,139,255,0.06), transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(34,211,238,0.04), transparent 50%);
}
.cam-preview-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.cam-preview-icon { font-size: 28px; opacity: .6; }
.cam-item.online .cam-preview-icon { opacity: .8; }
.cam-preview-label { font-size: 10px; color: var(--text-3); }

.cam-item.offline .cam-preview-bg { background: #0a0a12; }
.cam-item.offline .cam-preview-icon { opacity: .25; filter: grayscale(1); }

.cam-badge {
  position: absolute; top: 6px; right: 6px; z-index: 2;
  font-size: 10px; padding: 1px 6px; border-radius: 3px;
}
.cam-item.online .cam-badge { color: var(--green); border: 1px solid var(--green); background: rgba(52,211,153,0.1); }
.cam-item.offline .cam-badge { color: var(--text-3); border: 1px solid var(--border); background: rgba(15,26,61,0.5); }

.cam-label {
  padding: 6px 10px; font-size: 11px; color: var(--text-2);
  border-top: 1px solid var(--border); text-align: center;
}

/* ==================================================================== */
/* 右侧 - 设备状态列表                                                   */
/* ==================================================================== */
.card-device-table { flex-shrink: 0; display: flex; flex-direction: column; }
.card-device-table .card-header { flex-shrink: 0; }
.dev-table-wrap { flex: 1; overflow-y: auto; min-height: 0; }
.dev-table-wrap::-webkit-scrollbar { width: 3px; }
.dev-table-wrap::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }

.dev-table { width: 100%; table-layout: fixed; border-collapse: collapse; font-size: 11px; }
.dev-table thead { position: sticky; top: 0; z-index: 1; }
.dev-table th {
  padding: 6px 4px; text-align: left; font-weight: 500;
  color: var(--text-3); background: rgba(10,18,40,0.6);
  border-bottom: 1px solid var(--border);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dev-table td {
  padding: 5px 4px; border-bottom: 1px solid rgba(99,145,255,0.06);
  color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dev-table th:nth-child(1), .dev-table td:nth-child(1) { width: 30%; }
.dev-table th:nth-child(2), .dev-table td:nth-child(2) { width: 18%; }
.dev-table th:nth-child(3), .dev-table td:nth-child(3) { width: 15%; }
.dev-table th:nth-child(4), .dev-table td:nth-child(4) { width: 22%; }
.dev-table th:nth-child(5), .dev-table td:nth-child(5) { width: 15%; }
.dev-table tbody tr { transition: background .12s; }
.dev-table tbody tr:hover { background: rgba(79,139,255,0.05); }

.dev-st {
  font-size: 10px; padding: 1px 6px; border-radius: 3px;
  display: inline-block; line-height: 1.5;
}
.dev-st.on { color: var(--green); border: 1px solid var(--green); background: rgba(52,211,153,0.08); }
.dev-st.busy { color: var(--orange); border: 1px solid var(--orange); background: rgba(251,146,60,0.08); }
.dev-st.idle { color: var(--gray); border: 1px solid var(--gray); background: rgba(148,163,184,0.08); }
.dev-st.off { color: var(--text-3); border: 1px solid var(--border); background: rgba(15,26,61,0.3); }

/* ==================================================================== */
/* 右侧 - 今日会议安排                                                   */
/* ==================================================================== */
.card-today-meeting { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.card-today-meeting .card-header { flex-shrink: 0; }
.today-meeting-list { display: flex; flex-direction: column; gap: 8px; flex-shrink: 0; }

.tm-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 12px; border-radius: 8px;
  background: rgba(15,26,61,0.3); border: 1px solid var(--border);
}

.tm-time-col {
  display: flex; flex-direction: column; align-items: center;
  min-width: 52px; flex-shrink: 0;
}
.tm-time-range { font-size: 11px; color: var(--text-2); font-weight: 500; text-align: center; line-height: 1.3; }
.tm-tag {
  font-size: 10px; padding: 1px 6px; border-radius: 3px;
  margin-top: 4px; white-space: nowrap;
}
.tm-tag.ongoing { color: var(--orange); border: 1px solid var(--orange); background: rgba(251,146,60,0.08); }
.tm-tag.booked { color: var(--blue); border: 1px solid var(--blue); background: rgba(96,165,250,0.08); }

.tm-body { flex: 1; min-width: 0; }
.tm-title { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.tm-meta { font-size: 11px; color: var(--text-3); }
.tm-meta .tm-div { margin: 0 6px; color: var(--border-2); }

/* ====== 滚动条全局 ====== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }