:root{--blue:#1e88ff;--blue2:#0f5aa5;--bg:#f3f5f8;--text:#1e293b;--muted:#64748b;--card:#fff;--line:#e5e7eb;--dark:#17283a}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:var(--blue)}
.login-bg{min-height:100vh;background:radial-gradient(circle at 30% 10%,#4b6680,#24384d 45%,#17283a);display:flex;align-items:center;justify-content:center;padding:24px;position:relative;overflow:hidden}.login-bg:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0 40%,rgba(255,255,255,.12) 40% 42%,transparent 42%);opacity:.28}.login-card{position:relative;width:100%;max-width:430px;background:rgba(21,34,50,.78);border:1px solid rgba(255,255,255,.12);box-shadow:0 24px 70px rgba(0,0,0,.35);border-radius:24px;padding:32px}.login-logo{display:block;margin:-115px auto 10px;width:220px;max-width:80%;filter:drop-shadow(0 12px 25px rgba(0,0,0,.3))}.brand{text-align:center;color:white}.brand h1{font-size:64px;letter-spacing:.12em;margin:0;font-weight:900}.brand p{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:#a8c9ff;margin:6px 0}.field{width:100%;border:0;border-radius:12px;padding:15px 16px;margin-top:14px;background:#eef1f5;color:#334155;font-size:15px}.btn{border:0;border-radius:12px;padding:12px 18px;background:var(--blue);color:white;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center}.btn:hover{background:#0b78ee}.btn.secondary{background:#eef6ff;color:var(--blue);border:1px solid #b8dcff}.btn.danger{background:#ffeaea;color:#e11d48}.small{font-size:12px;color:var(--muted)}.error{background:#fee2e2;color:#991b1b;border-radius:12px;padding:10px;margin:10px 0}.success{background:#dcfce7;color:#166534;border-radius:12px;padding:10px;margin:10px 0}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background:white;border-right:1px solid var(--line);position:fixed;top:0;bottom:0;left:0;overflow:auto}.side-brand{height:64px;display:flex;align-items:center;gap:10px;padding:0 18px;border-bottom:1px solid var(--line);font-weight:900;color:var(--blue)}.avatar{width:34px;height:34px;border-radius:10px;background:var(--blue);display:flex;align-items:center;justify-content:center;color:white;font-weight:900}.nav{padding:14px}.nav a{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;color:#334155;font-weight:600;margin-bottom:6px}.nav a.active,.nav a:hover{background:#e9f6ff;color:var(--blue)}.main{margin-left:260px;flex:1}.topbar{height:64px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:3}.content{padding:28px}.page-title{font-size:30px;margin:0 0 22px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px}.card{background:white;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 30px rgba(15,23,42,.05);padding:18px}.stat{display:flex;align-items:center;gap:14px}.stat-icon{width:48px;height:48px;border-radius:14px;background:#e9f6ff;color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900}.stat b{font-size:24px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:2fr 1fr}.table-card{background:white;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 30px rgba(15,23,42,.05);overflow:hidden}.table-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}table{width:100%;border-collapse:collapse}th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{color:#475569;background:#fbfdff}.badge{padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.badge.ok{background:#dcfce7;color:#16a34a}.badge.bad{background:#fee2e2;color:#ef4444}.badge.warn{background:#fef3c7;color:#b45309}.form-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.form-grid label{font-size:12px;color:var(--muted);font-weight:700}.form-grid input,.form-grid select{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:10px;padding:10px 12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.camera-frame{height:calc(100vh - 160px);width:100%;border:0;border-radius:18px;background:#111}.viewer-wrap{padding:24px}.viewer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.demo-detections{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.detection{height:150px;border-radius:16px;background:linear-gradient(135deg,#0f172a,#1d4ed8);position:relative;overflow:hidden;color:white;padding:12px}.detection:before{content:"";position:absolute;inset:22px;border:2px solid #22c55e;border-radius:10px}.detection span{position:absolute;bottom:10px;left:10px;background:white;color:#2563eb;border-radius:6px;padding:3px 7px;font-weight:900;font-size:11px}@media(max-width:900px){.sidebar{position:static;width:100%;height:auto}.layout{display:block}.main{margin-left:0}.cards{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}.grid.two,.demo-detections{grid-template-columns:1fr}.topbar{position:static}}