/**
 * LineAlgo unified design tokens (Top 20 #15)
 * Import after brand CSS. Prefer var(--la-*) in new UI.
 */
:root {
  --la-bg-0: #070a10;
  --la-bg-1: #0b1220;
  --la-bg-2: #101827;
  --la-bg-elev: #0f172a;
  --la-border: rgba(148, 163, 184, 0.18);
  --la-border-strong: rgba(148, 163, 184, 0.32);
  --la-text: #e8eaf0;
  --la-text-muted: #94a3b8;
  --la-text-dim: #64748b;
  --la-accent: #5c9df9;
  --la-accent-2: #3b82f6;
  --la-ok: #22c55e;
  --la-warn: #e7a34c;
  --la-bad: #ef4444;
  --la-gold: #fbbf24;
  --la-radius-sm: 6px;
  --la-radius: 10px;
  --la-radius-lg: 14px;
  --la-space-1: 4px;
  --la-space-2: 8px;
  --la-space-3: 12px;
  --la-space-4: 16px;
  --la-space-5: 24px;
  --la-font: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --la-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --la-chip-bg: rgba(92, 157, 249, 0.12);
  --la-chip-border: rgba(92, 157, 249, 0.28);
  --la-focus: 0 0 0 3px rgba(92, 157, 249, 0.45);
  --la-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.la-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font: 700 11px/1.2 var(--la-mono);
  letter-spacing: 0.04em;
  background: var(--la-chip-bg);
  border: 1px solid var(--la-chip-border);
  color: var(--la-accent);
}
.la-chip-ok { background: rgba(34, 197, 94, 0.12); border-color: rgba(34, 197, 94, 0.35); color: var(--la-ok); }
.la-chip-bad { background: rgba(239, 68, 68, 0.12); border-color: rgba(239, 68, 68, 0.35); color: #fca5a5; }
.la-chip-warn { background: rgba(231, 163, 76, 0.12); border-color: rgba(231, 163, 76, 0.35); color: var(--la-warn); }

.la-panel {
  background: var(--la-bg-elev);
  border: 1px solid var(--la-border);
  border-radius: var(--la-radius-lg);
  box-shadow: var(--la-shadow);
  color: var(--la-text);
}

.la-empty {
  border: 1px dashed var(--la-border-strong);
  border-radius: var(--la-radius-lg);
  background: linear-gradient(180deg, rgba(92, 157, 249, 0.06), transparent 60%);
  padding: 22px 20px;
  color: var(--la-text-muted);
  max-width: 560px;
}
.la-empty h3 {
  margin: 0 0 8px;
  color: var(--la-text);
  font: 800 1.05rem/1.25 var(--la-font);
}
.la-empty p { margin: 0 0 12px; font-size: 0.92rem; line-height: 1.45; }
.la-empty ol { margin: 0 0 14px; padding-left: 1.2rem; font-size: 0.88rem; line-height: 1.5; }
.la-empty .la-empty-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.la-empty .la-empty-actions a,
.la-empty .la-empty-actions button {
  appearance: none;
  border: 1px solid var(--la-border-strong);
  background: var(--la-bg-1);
  color: var(--la-text);
  border-radius: 8px;
  padding: 8px 12px;
  font: 700 13px var(--la-font);
  cursor: pointer;
  text-decoration: none;
}
.la-empty .la-empty-actions a.primary,
.la-empty .la-empty-actions button.primary {
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  border-color: transparent;
  color: #fff;
}