:root {
  --bg: #050507;
  --panel: #111118;
  --ink: #f6f0ff;
  --muted: #b8acc8;
  --purple: #8f4bff;
  --orange: #ff9c2e;
  --gold: #ffc857;
  --ok: #44d48b;
  --bad: #ff4d6d;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 10% 10%, #291338 0%, transparent 40%),
              radial-gradient(circle at 80% 20%, #4a2e0a 0%, transparent 35%),
              var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", Tahoma, sans-serif;
}

.bg-glow {
  position: fixed;
  inset: 0;
  background: linear-gradient(120deg, rgba(143,75,255,0.08), rgba(255,156,46,0.05));
  pointer-events: none;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid #2a2233;
  backdrop-filter: blur(8px);
}

.brand {
  font-weight: 800;
  letter-spacing: 0.08em;
}

.chip {
  background: linear-gradient(135deg, var(--purple), var(--orange));
  color: #0e0a12;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
}

.nav {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
  padding: 10px 12px;
}

.nav button {
  border: 1px solid #30253b;
  background: #130f1b;
  color: var(--ink);
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
}

.nav button.active {
  background: linear-gradient(145deg, #28163a, #25140e);
  border-color: var(--gold);
}

.content {
  padding: 14px;
}

.panel-section { display: none; }
.panel-section.active { display: block; animation: fade 240ms ease; }

@keyframes fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 { margin-top: 4px; }

.grid {
  display: grid;
  gap: 12px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: linear-gradient(170deg, rgba(27, 22, 38, 0.92), rgba(16, 14, 24, 0.92));
  border: 1px solid #30253b;
  border-radius: 14px;
  padding: 12px;
}

.kv { margin: 6px 0; }
.muted { color: var(--muted); }
.ok { color: var(--ok); font-weight: 700; }
.bad { color: var(--bad); font-weight: 700; }

.snapshot {
  margin-top: 10px;
  width: 100%;
  border-radius: 10px;
  border: 1px solid #3a2f45;
  min-height: 180px;
  background: #09080c;
  object-fit: cover;
}

.video-wrap {
  margin-top: 10px;
  border-radius: 10px;
  border: 1px solid #3a2f45;
  overflow: hidden;
  background: #09080c;
}

.live-video {
  width: 100%;
  min-height: 220px;
  background: #000;
}

.live-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.quality {
  border: 1px solid #3a2e46;
  background: #120f18;
  color: var(--ink);
  padding: 8px;
  border-radius: 8px;
}

.ptz-grid {
  display: grid;
  margin-top: 10px;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ptz-grid .btn:first-child {
  grid-column: 2;
}

.ptz-grid .btn:last-child {
  grid-column: 2;
}

.placeholder {
  margin-top: 10px;
  border: 1px dashed #6a5278;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  color: #d0c2df;
  background: rgba(10, 9, 15, 0.9);
}

.event-list {
  max-height: 340px;
  overflow: auto;
}

.event-item {
  padding: 8px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: #15121d;
  border: 1px solid #2b2136;
}

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  border: 1px solid #3a2e46;
  background: #181320;
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}

.btn-danger {
  border-color: #6a2a38;
  background: linear-gradient(135deg, #3b0d18, #4f1f08);
}

.notice {
  margin-top: 10px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #4a3a1f;
  background: #231b0e;
  color: #f7d7a2;
}

.stack {
  display: grid;
  gap: 10px;
}

input[type="text"],
input[type="password"] {
  border: 1px solid #3a2e46;
  background: #120f18;
  color: var(--ink);
  padding: 10px;
  border-radius: 10px;
}

@media (max-width: 920px) {
  .nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.two { grid-template-columns: 1fr; }
}