.ai-brain-hero{background:linear-gradient(135deg,#111827,#312e81);color:#fff;border-radius:18px;padding:22px;margin-bottom:14px}.ai-brain-hero h2{margin:0 0 5px}.ai-brain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ai-stat{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:16px}.ai-stat span{display:block;color:#667085;font-size:12px}.ai-stat b{font-size:24px}.ai-brain-flow{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.ai-brain-flow span{padding:8px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-weight:700;font-size:12px}.ai-brain-progress{height:10px;background:#e5e7eb;border-radius:999px;overflow:hidden}.ai-brain-progress>div{height:100%;background:#4f46e5;transition:width .3s}.ai-brain-log{max-height:240px;overflow:auto;background:#0f172a;color:#d1fae5;padding:12px;border-radius:12px;font:12px/1.55 ui-monospace,monospace}.ai-brain-actions{display:flex;gap:8px;flex-wrap:wrap}.ai-brain-setting-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:10px}.ai-brain-setting-grid label{font-size:12px;color:#667085}.ai-brain-setting-grid input,.ai-brain-setting-grid select{width:100%;height:40px;border:1px solid #d0d5dd;border-radius:9px;padding:0 9px;background:#fff}.ai-mode-note{padding:10px 12px;border-radius:10px;background:#fffaeb;color:#7a2e0e;font-size:12px}@media(max-width:900px){.ai-brain-grid,.ai-brain-setting-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.ai-brain-grid,.ai-brain-setting-grid{grid-template-columns:1fr}}

/* v2.13.9 user-friendly AI decision history */
.ai-decision-video{display:flex;align-items:center;gap:10px;min-width:280px}.ai-decision-video>div{min-width:0}.ai-decision-video b{display:block;max-width:390px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ai-decision-video small{display:block;color:#6b7280;margin-top:3px}.ai-decision-thumb{width:76px;height:46px;object-fit:cover;border-radius:8px;background:#eef2f7;flex:0 0 auto}
@media(max-width:760px){.ai-decision-video{min-width:220px}.ai-decision-thumb{width:64px;height:40px}.ai-decision-video b{max-width:240px}}