:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --ok: #22c55e;
  --err: #ef4444;
  --warn: #f59e0b;
  font-family: "SF Pro Text", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.5; }

.container { max-width: 960px; margin: 0 auto; padding: 0 1.25rem 3rem; }

.header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 1.5rem 0; margin-bottom: 2rem; }
.header-inner h1 { margin: 0.25rem 0 0; font-size: 1.75rem; font-weight: 600; }
.subtitle { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.95rem; }
.back { color: var(--accent); text-decoration: none; font-size: 0.9rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}
.card h2 { margin: 0 0 1rem; font-size: 1.1rem; font-weight: 600; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: end;
}
.form-grid .full { grid-column: 1 / -1; }
.form-stack label { display: block; margin-bottom: 0.75rem; }
.form-stack select, .form-stack input[type=file] { display: block; width: 100%; margin-top: 0.35rem; }

label { font-size: 0.85rem; color: var(--muted); }
input, select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  margin-top: 0.35rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
}
.checkbox { display: flex; align-items: center; gap: 0.5rem; }
.checkbox input { width: auto; margin: 0; }

.btn {
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
code { background: var(--bg); padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.85em; }

.badge { padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; }
.badge-succeeded, .badge-ok { background: rgba(34,197,94,0.2); color: var(--ok); }
.badge-failed { background: rgba(239,68,68,0.2); color: var(--err); }
.badge-running { background: rgba(59,130,246,0.2); color: var(--accent); }
.badge-queued { background: rgba(245,158,11,0.2); color: var(--warn); }

.muted { color: var(--muted); }
.hint { font-size: 0.85rem; color: var(--muted); margin-top: 0.75rem; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.errors { color: var(--err); font-size: 0.9rem; }
.labels { color: var(--muted); font-size: 0.9rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 700px) { .form-grid, .grid-2 { grid-template-columns: 1fr; } }

.paths, .log {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.45;
  max-height: 480px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.log a.log-link,
.status.err a.log-link {
  color: #f97316;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.log a.log-link:hover,
.status.err a.log-link:hover {
  color: #6366f1;
}

.meta { display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 1.5rem; font-size: 0.9rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }

.hidden-kaggle { display: none; }

.kaggle-slug { display: block; font-size: 0.8rem; margin-top: 0.2rem; word-break: break-all; }
#kaggle-link { word-break: break-all; font-size: 0.85rem; }

.log-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.log-header h2 { margin: 0; flex: 0 0 auto; }
.log-status { font-size: 0.8rem; }

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  flex-shrink: 0;
}
.spinner.hidden { visibility: hidden; animation: none; }

@keyframes spin { to { transform: rotate(360deg); } }

.workflow ol { margin: 0; padding-left: 1.25rem; color: var(--muted); }
.workflow li { margin-bottom: 0.35rem; }

.retry-form { margin-top: 1rem; display: flex; align-items: center; gap: 1rem; }
.btn-retry { background: rgba(239,68,68,0.15); border-color: var(--err); color: var(--err); font-weight: 600; }
.btn-retry:hover { background: var(--err); color: #fff; }
.retry-msg { font-size: 0.85rem; }
.retry-msg a { color: var(--accent); text-decoration: underline; }
.retry-ok { color: var(--ok); }
.retry-err { color: var(--err); }

/* Sidebar layout */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand { padding: 0 1.25rem 1.5rem; font-weight: 700; font-size: 1rem; color: var(--accent); }
.nav-item {
  display: block;
  padding: 0.6rem 1.25rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.nav-item:hover { color: var(--text); background: rgba(59,130,246,0.05); }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: rgba(59,130,246,0.08); }
.main-content { flex: 1; min-width: 0; }

/* Detection page */
.detection-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 1.25rem; }
@media (max-width: 900px) { .detection-grid { grid-template-columns: 1fr; } }

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}
.drop-zone.dragover { border-color: var(--accent); background: rgba(59,130,246,0.05); }
.drop-zone p { margin: 0.5rem 0; }
.file-btn { cursor: pointer; margin-top: 0.5rem; }

.controls { margin-top: 1rem; }
.controls label { display: flex; align-items: center; gap: 0.75rem; font-size: 0.85rem; color: var(--muted); }
.controls input[type=range] { flex: 1; accent-color: var(--accent); }

.result-image { margin-top: 1rem; }
.result-image img { width: 100%; border-radius: 8px; border: 1px solid var(--border); }

.spinner-container { display: flex; align-items: center; gap: 0.75rem; margin-top: 1rem; }

.results-card { align-self: start; }
#results-table td { font-size: 0.85rem; }

.badge-cls-0 { background: rgba(255,107,107,0.2); color: #ff6b6b; }
.badge-cls-1 { background: rgba(78,205,196,0.2); color: #4ecdc4; }
.badge-cls-2 { background: rgba(255,195,0,0.2); color: #ffc300; }
.badge-cls-3 { background: rgba(155,89,182,0.2); color: #9b59b6; }