:root {
  --bg: #0b0f14;
  --panel: #131a22;
  --border: #24303c;
  --text: #e6edf3;
  --text-dim: #8b98a5;
  --accent: #3fb1ff;
  --ok: #33d17a;
  --warn: #f5c542;
  --danger: #f0555a;
}

* { box-sizing: border-box; }

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

header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  font-size: 18px;
  margin: 0;
  letter-spacing: 0.02em;
}

header .badge {
  font-size: 12px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
}

main {
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}

.panel h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0 0 14px 0;
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

label {
  font-size: 13px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 6px;
}

select, button, input {
  background: #0e151c;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
}

button {
  cursor: pointer;
  background: var(--accent);
  border-color: var(--accent);
  color: #041018;
  font-weight: 600;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #200;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  background: var(--text-dim);
}

.status-dot.live { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.status-dot.idle { background: var(--text-dim); }

.lan-url {
  font-family: "SF Mono", Consolas, monospace;
  font-size: 15px;
  color: var(--accent);
  background: #0e151c;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  display: inline-block;
}

#scanImage {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  image-rendering: pixelated;
  display: block;
}

.frame-wrap {
  position: relative;
}

.bbox {
  position: absolute;
  border: 2px solid var(--warn);
  border-radius: 2px;
  pointer-events: none;
}

.bbox.classified { border-color: var(--ok); }

.bbox .tag {
  position: absolute;
  top: -22px;
  left: 0;
  font-size: 11px;
  background: rgba(0,0,0,0.7);
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 500; }

.empty { color: var(--text-dim); font-size: 13px; padding: 8px 0; }