:root {
  --bg: #0d0f14;
  --surface: #151820;
  --surface2: #1c2030;
  --border: #2a2f42;
  --accent: #4f8ef7;
  --accent2: #7b5ea7;
  --green: #34c77b;
  --yellow: #f0b429;
  --red: #e5534b;
  --text: #e2e6f0;
  --text-muted: #7a8299;
  --radius: 10px;
  --font: 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 18px 32px;
}
.header-inner h1 { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.5px; }
.subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 3px; }

main { padding: 24px 32px; max-width: 1200px; margin: 0 auto; }

/* Scene selector */
.scene-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.scene-selector label { font-size: 0.85rem; color: var(--text-muted); }
.scene-selector select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  flex: 1;
  max-width: 340px;
  cursor: pointer;
}
#run-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 22px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
#run-btn:hover { opacity: 0.85; }
#run-btn:active { opacity: 0.7; }

/* 3-panel layout */
.panels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 900px) {
  .panels { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
}
.panel h2 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.panel-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.72rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  color: var(--text-muted);
}

/* Canvas */
#detection-canvas-wrap {
  background: var(--surface2);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 14px;
  display: flex;
  justify-content: center;
}
#scene-canvas { display: block; }

/* Object list */
#object-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
#object-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
}
.obj-label { flex: 1; }
.obj-conf {
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 38px;
  text-align: right;
}
.obj-bar-wrap { width: 70px; height: 5px; background: var(--surface2); border-radius: 3px; overflow: hidden; }
.obj-bar { height: 100%; border-radius: 3px; }
.conf-high .obj-bar { background: var(--green); }
.conf-med .obj-bar { background: var(--yellow); }
.conf-low .obj-bar { background: var(--red); }
.obj-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* VLM text */
.vlm-text {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--surface2);
  border-radius: 6px;
  padding: 12px 14px;
  min-height: 90px;
  margin-bottom: 12px;
  border-left: 3px solid var(--accent2);
}
.token-info { font-size: 0.74rem; color: var(--text-muted); margin-bottom: 10px; }
.entity-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.entity-chip {
  font-size: 0.74rem;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface2);
}
.entity-chip.matched { border-color: var(--green); color: var(--green); }
.entity-chip.unmatched { border-color: var(--red); color: var(--red); opacity: 0.8; }

/* Routing panel */
.route-badge {
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.route-local { background: rgba(52,199,123,0.15); color: var(--green); border: 1px solid var(--green); }
.route-cloud { background: rgba(79,142,247,0.15); color: var(--accent); border: 1px solid var(--accent); }
.route-rag   { background: rgba(123,94,167,0.15); color: #a78bfa; border: 1px solid #7b5ea7; }

.score-block { margin-bottom: 16px; }
.score-label { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 6px; }
.score-bar-wrap { height: 8px; background: var(--surface2); border-radius: 4px; overflow: hidden; margin-bottom: 5px; }
.score-bar { height: 100%; border-radius: 4px; transition: width 0.5s ease; }
.score-bar.high { background: var(--green); }
.score-bar.med  { background: var(--yellow); }
.score-bar.low  { background: var(--red); }
.score-value { font-size: 1.4rem; font-weight: 700; }
.score-value.high { color: var(--green); }
.score-value.med  { color: var(--yellow); }
.score-value.low  { color: var(--red); }

.mismatch-block { margin-bottom: 16px; }
.mismatch-title { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 8px; }
#mismatch-list { list-style: none; display: flex; flex-direction: column; gap: 5px; }
#mismatch-list li {
  font-size: 0.8rem;
  padding: 5px 10px;
  background: var(--surface2);
  border-radius: 5px;
  border-left: 2px solid var(--yellow);
}
#mismatch-list li.none { border-left-color: var(--green); color: var(--green); }

.routing-reason {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--surface2);
  border-radius: 6px;
  padding: 10px 12px;
  line-height: 1.55;
}

/* Audit log */
.audit-section h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.log-count {
  font-size: 0.72rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 10px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}
.audit-log {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: 0.78rem;
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.log-line { color: var(--text-muted); }
.log-line .ts { color: var(--accent); margin-right: 8px; }
.log-line .lvl { margin-right: 8px; font-weight: 600; }
.log-line .lvl-info { color: var(--accent); }
.log-line .lvl-warn { color: var(--yellow); }
.log-line .lvl-ok   { color: var(--green); }
.log-line .lvl-route { color: #a78bfa; }

footer {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}