:root{--bg:#f6f7f9;--surface:#ffffff;--surface-muted:#eef2f6;--text:#111827;--muted:#5f6b7a;--line:#d9e0e8;--accent:#1677ff;--accent-strong:#0f5ed7;--success:#0a7f4f;--danger:#b42318;--shadow:0 10px 30px rgba(15,23,42,0.08)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,select,textarea{font:inherit}.app-shell{width:min(980px,100%);min-height:100vh;margin:0 auto;padding:20px 16px 96px}.hero{position:relative;overflow:hidden;min-height:252px;margin-bottom:16px;border:1px solid rgba(0,220,255,.22);border-radius:8px;background:#050813;box-shadow:0 18px 42px rgba(4,10,28,.24)}.hero-cover{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,19,.08) 25%,rgba(5,8,19,.78));pointer-events:none}.hero-content{position:absolute;left:16px;right:16px;bottom:14px;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.hero .brand h1,.hero .brand p{color:#fff;text-shadow:0 2px 16px rgba(0,0,0,.55)}.hero .brand p{max-width:560px;color:rgba(234,251,255,.86)}.hero-link{border-color:rgba(0,234,255,.5);background:rgba(5,14,32,.78);color:#eaffff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.demo-strip{display:grid;grid-template-columns:minmax(0,.8fr) minmax(260px,1.2fr);grid-gap:14px;gap:14px;align-items:center;margin-bottom:16px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.demo-gif{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:8px;border:1px solid rgba(17,24,39,.1);background:#050813}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.brand{display:grid;grid-gap:4px;gap:4px}.brand h1,.page-title{margin:0;font-size:28px;line-height:1.1;letter-spacing:0}.brand p,.subtitle{margin:0;color:var(--muted);font-size:14px;line-height:1.45}.nav-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);font-size:14px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.card{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.agent-card{display:grid;min-height:220px;padding:16px;align-content:space-between;grid-gap:16px;gap:16px}.agent-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;background:var(--surface-muted);color:var(--accent-strong);font-weight:700}.agent-card h2,.panel h2,.section-title{margin:0;font-size:18px;line-height:1.25;letter-spacing:0}.agent-card p,.history-item p,.template p{margin:0;color:var(--muted);font-size:14px;line-height:1.45}.tag-row{display:flex;flex-wrap:wrap;gap:6px}.tag{display:inline-flex;align-items:center;min-height:26px;padding:0 8px;border-radius:999px;background:var(--surface-muted);color:var(--muted);font-size:12px}.agent-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;grid-gap:16px;gap:16px;align-items:start}.panel{display:grid;grid-gap:14px;gap:14px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.agent-best-for{margin-bottom:16px}.composer{display:grid;grid-gap:10px;gap:10px}.composer textarea{width:100%;min-height:150px;resize:vertical;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text)}.composer-actions{display:flex;gap:8px;align-items:center}.mode-select{min-height:42px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.button{min-height:42px;padding:0 14px;border:0;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-weight:650}.button:disabled{cursor:not-allowed;opacity:.55}.secondary-button{min-height:36px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);cursor:pointer}.templates{display:grid;grid-gap:10px;gap:10px}.template{display:grid;grid-gap:8px;gap:8px;border:1px solid var(--line);background:#fff}.result,.template{padding:12px;border-radius:8px}.result{white-space:pre-wrap;background:#f8fafc;border:1px solid var(--line);font-size:14px;line-height:1.5}.status{color:var(--muted);font-size:13px}.status.error{color:var(--danger)}.history-list{display:grid;grid-gap:10px;gap:10px}.history-item{display:grid;grid-gap:8px;gap:8px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}@media (max-width:800px){.agent-layout,.demo-strip,.grid{grid-template-columns:1fr}.hero{min-height:212px}.hero-content{align-items:flex-start;flex-direction:column}.hero-link{min-height:36px}.topbar{align-items:flex-start}}