:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #8b93a1;
  --accent: #4f8cff;
  --accent-2: #7c5cff;
  --ok: #3ddc97;
  --warn: #ffb454;
  --err: #ff6b6b;
  --radius: 12px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1a2030 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 17, 21, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: 0.3px; }
.brand .sub { font-weight: 400; color: var(--muted); font-size: 13px; margin-left: 8px; }

main { max-width: 1240px; margin: 0 auto; padding: 24px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}
.panel h2 { margin: 0 0 6px; font-size: 20px; }
.hint { color: var(--muted); margin: 0 0 18px; font-size: 14px; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 34px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 16px;
}
.dropzone.drag { border-color: var(--accent); background: rgba(79, 140, 255, 0.06); }
.dz-icon { font-size: 30px; margin-bottom: 8px; }
.dz-preview { margin-top: 10px; font-weight: 600; color: var(--text); }

.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
}

button {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.05s;
}
button:disabled { opacity: 0.45; cursor: not-allowed; }
button:not(:disabled):active { transform: translateY(1px); }
.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-weight: 600; }
.ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.primary:not(:disabled):hover { filter: brightness(1.1); }
.ghost:not(:disabled):hover { border-color: var(--accent); }

.error { color: var(--err); margin-top: 12px; font-size: 14px; }

.job-head { display: flex; align-items: center; gap: 14px; }
.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--panel-2);
  border: 1px solid var(--border);
  text-transform: capitalize;
}
.badge[data-status="complete"] { color: var(--ok); border-color: var(--ok); }
.badge[data-status="error"] { color: var(--err); border-color: var(--err); }
.badge[data-status="reviewing"] { color: var(--warn); border-color: var(--warn); }
.job-message { color: var(--muted); font-size: 14px; margin: 8px 0 16px; }

.progress { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.pass {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
}
.pass.done { color: var(--ok); border-color: var(--ok); }
.pass.active { color: var(--accent); border-color: var(--accent); animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(79,140,255,0.4);} 50% { box-shadow: 0 0 0 6px rgba(79,140,255,0);} }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } }

.col h3 { margin: 0 0 10px; font-size: 15px; color: var(--muted); }

.viewer {
  height: 420px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #1a1d24;
  position: relative;
  overflow: hidden;
}
.viewer canvas { display: block; }
.viewer-empty {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 14px;
}
.viewer.has-scene .viewer-empty { display: none; }

.viewer-actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.viewer-actions .ghost.on { border-color: var(--accent); color: var(--accent); }

.ref-box {
  height: 200px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel-2);
  overflow: hidden;
  position: relative;
  margin-bottom: 18px;
}
.ref-box img { width: 100%; height: 100%; object-fit: contain; }

.code-view {
  height: 380px;
  overflow: auto;
  background: #0d0f14;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  color: #c8d0dd;
  white-space: pre;
}