:root{
  --bg:#08121c;
  --panel:#0f1c29;
  --panel2:#132333;
  --line:#21384d;
  --text:#edf5fb;
  --muted:#8ea4b6;
  --blue:#1c75d8;
  --green:#2eb872;
  --red:#e64949;
  --orange:#f19a2a;
  --yellow:#e8c342;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button{font:inherit}
.app-shell{display:grid;grid-template-columns:210px 1fr;min-height:100vh}
.sidebar{background:#07101a;border-right:1px solid #1d3040;padding:18px 14px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;margin:4px 6px 26px}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#2b8cff,#102e4b);display:grid;place-items:center;font-size:23px;font-weight:800}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:10px;letter-spacing:3px;color:#a4bad0}
nav{display:flex;flex-direction:column;gap:5px}
nav a{color:#a9bdcd;text-decoration:none;padding:11px 12px;border-radius:8px;font-size:14px}
nav a.active,nav a:hover{background:#133659;color:#fff}
.sidebar-footer{margin-top:auto;color:#5f7890;font-size:12px;padding:10px}
main{padding:22px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.topbar h1{font-size:25px;margin:0 0 4px}
.topbar p{margin:0;color:var(--muted);font-size:13px}
.operator{display:flex;align-items:center;gap:9px;background:#0f1c29;border:1px solid var(--line);padding:8px 12px;border-radius:10px}
.operator span{display:block;color:var(--muted);font-size:11px}
.status-dot{width:9px;height:9px;border-radius:99px;background:var(--green);box-shadow:0 0 10px var(--green)}
.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:16px}
.metric{background:linear-gradient(180deg,#152637,#101d29);border:1px solid var(--line);padding:16px;border-radius:10px;display:flex;align-items:end;gap:11px}
.metric strong{font-size:29px;line-height:1}
.metric span{font-size:12px;color:#b8c8d5;padding-bottom:2px}
.metric.danger{background:linear-gradient(135deg,#6b232a,#281923)}
.metric.good{background:linear-gradient(135deg,#174a35,#10271f)}
.workspace{display:grid;grid-template-columns:330px 1fr;gap:15px}
.queue-panel,.event-panel,.card{background:var(--panel);border:1px solid var(--line);border-radius:12px}
.queue-panel{padding:14px}
.panel-heading{display:flex;align-items:center;gap:9px;margin-bottom:11px}
.panel-heading h2,.event-header h2{margin:0;font-size:19px}
.badge{background:var(--red);font-size:11px;font-weight:700;border-radius:999px;padding:3px 7px}
.alarm-item{background:#111f2d;border:1px solid transparent;border-left:5px solid var(--yellow);padding:12px;border-radius:9px;margin-bottom:9px;cursor:pointer;transition:.15s}
.alarm-item:hover,.alarm-item.selected{border-color:#31546f;border-left-color:#4aa0ff;transform:translateY(-1px)}
.alarm-item.high{border-left-color:var(--red)}
.alarm-item.medium{border-left-color:var(--orange)}
.alarm-item.low{border-left-color:var(--yellow)}
.alarm-top{display:flex;justify-content:space-between;gap:8px}
.alarm-site{font-size:14px;font-weight:750}
.alarm-time{font-size:11px;color:#aabcc9}
.alarm-camera,.alarm-type{font-size:12px;color:#9fb3c3;margin-top:4px}
.alarm-meta{display:flex;justify-content:space-between;align-items:center;margin-top:9px}
.priority-chip{font-size:10px;font-weight:800;padding:4px 7px;border-radius:6px}
.priority-chip.high{background:#7e2730;color:#ffc9cd}
.priority-chip.medium{background:#5b3b14;color:#ffd8a2}
.priority-chip.low{background:#514615;color:#fff2a8}
.confidence{font-size:11px;color:#8ea4b6}
.event-panel{padding:14px}
.event-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.event-header p{margin:3px 0 0;color:var(--muted);font-size:12px}
.priority{font-size:11px;font-weight:800;border-radius:7px;padding:7px 10px}
.priority.high{background:#d93642}
.priority.medium{background:#b46812}
.priority.low{background:#8b7911}
.video-frame{background:#05090d;border:1px solid #263d51;border-radius:9px;overflow:hidden;position:relative}
.scene{height:390px;position:relative;background:
radial-gradient(circle at 75% 18%,rgba(255,255,255,.25),transparent 3%),
linear-gradient(180deg,#22313a 0 18%,#192a26 18% 32%,#1b2227 32% 100%)}
.parking-lines{position:absolute;inset:32% 0 0;background:
linear-gradient(115deg,transparent 0 11%,rgba(230,240,245,.24) 11.3% 11.7%,transparent 12% 25%,rgba(230,240,245,.20) 25.3% 25.7%,transparent 26% 100%),
linear-gradient(180deg,transparent 0 54%,rgba(230,240,245,.18) 54.2% 54.8%,transparent 55% 100%)}
.car{position:absolute;width:110px;height:52px;border-radius:16px 26px 12px 12px;background:linear-gradient(180deg,#c8d0d6,#687782);box-shadow:0 12px 18px rgba(0,0,0,.4)}
.car:before{content:"";position:absolute;left:20px;right:20px;top:7px;height:16px;background:#1f303e;border-radius:8px}
.car-one{right:11%;bottom:18%;transform:rotate(-7deg)}
.car-two{right:29%;bottom:9%;transform:rotate(4deg);opacity:.65}
.person-box{position:absolute;left:48%;bottom:10%;width:92px;height:188px;border:3px solid var(--red);box-shadow:0 0 18px rgba(230,73,73,.18)}
.person-box span{position:absolute;left:-3px;top:-28px;background:var(--red);padding:5px 8px;font-size:12px;border-radius:5px 5px 0 0;white-space:nowrap}
.person{position:absolute;left:30px;bottom:10px;width:32px;height:115px;background:#111923;border-radius:14px 14px 7px 7px;transform:rotate(-5deg)}
.person:before{content:"";position:absolute;width:27px;height:27px;border-radius:50%;background:#141c25;left:2px;top:-24px}
.camera-overlay{position:absolute;z-index:5;top:9px;background:rgba(0,0,0,.62);font-family:ui-monospace,monospace;font-size:11px;padding:5px 7px}
.top-left{left:9px}.top-right{right:9px}
.video-controls{height:42px;background:#0a1118;display:flex;align-items:center;gap:12px;padding:0 13px;font-size:11px}
.timeline{height:4px;flex:1;background:#324658;border-radius:999px}.progress{width:60%;height:100%;background:#2b8cff;border-radius:inherit}
.detail-grid{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:12px;margin-top:12px}
.card{padding:14px}
.card h3{margin:0 0 12px;font-size:14px}
dl{margin:0}dl div{display:flex;justify-content:space-between;border-top:1px solid #203447;padding:8px 0;font-size:12px}dt{color:#8fa6b7}dd{margin:0;font-weight:650}
.timeline-list div{display:flex;align-items:center;gap:9px;padding:7px 0;font-size:12px;color:#c1d0dc}.timeline-list span{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 3px rgba(230,73,73,.12)}.timeline-list p{margin:0}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.actions button{border:1px solid #32495c;background:#182a3a;color:white;border-radius:6px;padding:9px;cursor:pointer;font-size:11px}
.actions button:hover{filter:brightness(1.15)}
.actions .ok{background:#218c55;border-color:#2eb872}
.actions .danger-btn{background:#b9343e;border-color:#e64949}
.actions .primary{background:#176dc4;border-color:#2b8cff}
.action-status{margin-top:10px;padding:8px;border-radius:6px;background:#0b1620;color:#8fa6b7;font-size:11px;min-height:30px}
@media (max-width:1100px){
  .app-shell{grid-template-columns:72px 1fr}
  .brand-name,.brand-sub,nav a{font-size:0}
  nav a::first-letter{font-size:18px}
  .workspace{grid-template-columns:280px 1fr}
  .metrics{grid-template-columns:repeat(3,1fr)}
  .detail-grid{grid-template-columns:1fr}
}