:root {
  --bg: #0a0a12;
  --panel: #14141f;
  --border: #262637;
  --text: #e8e8f0;
  --muted: #8a8aa0;
  --accent: #3a47d5;
  --danger: #ff4d4f;
  --ok: #2ecc71;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

#nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  flex-wrap: wrap;
}

#nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
}

#nav a.active, #nav a:hover {
  color: var(--text);
  background: rgba(58, 71, 213, 0.2);
}

.nav-user {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.85rem;
}

#app {
  padding: 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}

.btn {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }

input, select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  font-size: 0.9rem;
}

.login-form {
  max-width: 320px;
  margin: 4rem auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--panel);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.login-form h1 { color: var(--accent); text-align: center; margin: 0 0 0.5rem; }
.error { color: var(--danger); font-size: 0.85rem; min-height: 1.2em; }

.status-pill {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
}

.camera-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.camera-controls label { font-size: 0.85rem; color: var(--muted); display: flex; gap: 0.4rem; align-items: center; }

.camera-stage {
  position: relative;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  max-width: 720px;
}

.camera-stage video, .camera-stage canvas {
  width: 100%;
  display: block;
}

.camera-stage canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

.detection-log, .alert-feed {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.detection-log li, .alert-feed li {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.alert-item .muted { color: var(--muted); margin-left: 0.5rem; font-size: 0.8rem; }

.panel-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.data-table th, .data-table td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

.data-table th { color: var(--muted); font-weight: 600; }

.inline-form {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.75rem 0;
}

.muted { color: var(--muted); font-size: 0.85rem; }