:root{--bg: #0b1020;--bg-2: #121a33;--panel: #ffffff;--text: #e8ecf8;--muted: #9aa5c4;--ink: #1c2238;--ink-muted: #6b7390;--brand: #6d5efc;--brand-2: #22c3ee;--green: #16a34a;--red: #dc2626;--radius: 16px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(1200px 600px at 70% -10%,#2a1f7a55,transparent),var(--bg)}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}.page{max-width:1120px;margin:0 auto;padding:0 24px 80px}.nav{display:flex;justify-content:space-between;align-items:center;padding:22px 0}.logo{font-weight:800;font-size:20px;letter-spacing:-.02em}.nav-links{display:flex;gap:22px;align-items:center;color:var(--muted)}.nav-links a:hover{color:var(--text)}.hero{text-align:center;padding:90px 0 60px}.eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;background:#ffffff10;border:1px solid #ffffff1f;color:var(--muted);font-size:13px}.hero h1{font-size:clamp(38px,6vw,64px);line-height:1.05;letter-spacing:-.03em;margin:22px auto 18px;max-width:820px}.grad{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:18px;line-height:1.6}.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}.btn{border-radius:12px;padding:12px 20px;font-weight:600;border:1px solid transparent;transition:transform .15s,background .15s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(90deg,var(--brand),#8b5cf6);color:#fff;box-shadow:0 10px 30px #6d5efc55}.btn-ghost{background:#ffffff0d;color:var(--text);border-color:#fff2}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:30px}.card{background:linear-gradient(180deg,var(--bg-2),#0e1530);border:1px solid #ffffff14;border-radius:var(--radius);padding:26px}.card-icon{font-size:28px}.card h3{margin:14px 0 8px}.card p{color:var(--muted);line-height:1.55;margin:0 0 14px}.link{background:none;border:none;color:var(--brand-2);padding:0;font-weight:600}.badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:50px}.badge{padding:10px 16px;border-radius:10px;border:1px solid #ffffff1f;color:var(--muted);font-weight:600;font-size:14px}.footer{text-align:center;color:#5d6787;margin-top:70px;font-size:13px}.launcher{position:fixed;right:24px;bottom:24px;z-index:50;display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:999px;border:none;color:#fff;font-weight:700;font-size:16px;background:linear-gradient(90deg,var(--brand),#8b5cf6);box-shadow:0 12px 40px #6d5efc77;animation:pop .3s ease-out}.widget{position:fixed;right:24px;bottom:24px;z-index:60;width:min(460px,calc(100vw - 32px));height:min(720px,calc(100vh - 48px));display:flex;flex-direction:column;overflow:hidden;background:var(--panel);color:var(--ink);border-radius:20px;box-shadow:0 30px 80px #00000080;transform:translateY(20px) scale(.97);opacity:0;pointer-events:none;transition:transform .2s ease,opacity .2s ease}.widget-open{transform:none;opacity:1;pointer-events:auto}.widget-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:linear-gradient(90deg,var(--brand),#8b5cf6);color:#fff}.widget-title{display:flex;gap:12px;align-items:center}.widget-name{font-weight:700}.widget-status{font-size:12px;opacity:.9;display:flex;align-items:center;gap:6px}.widget-actions button{background:#fff2;border:none;color:#fff;width:32px;height:32px;border-radius:10px;margin-left:6px}.widget-actions button:hover{background:#ffffff38}.dot{width:8px;height:8px;border-radius:50%;background:#fbbf24}.dot-on{background:#4ade80}.dot-off{background:#f87171}.widget-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:#f6f7fb}.avatar{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2))}.avatar-lg{width:38px;height:38px;font-size:16px;background:#fff3}.msg{max-width:85%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.5;word-wrap:break-word}.msg-user{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px;white-space:pre-wrap}.msg-bot-wrap{display:flex;gap:8px;align-items:flex-end}.msg-bot{background:#fff;border:1px solid #e6e8f0;border-bottom-left-radius:4px}.msg-error{align-self:center;background:#fef2f2;color:var(--red);border:1px solid #fecaca;font-size:13px}.rich-text p{margin:0 0 8px}.rich-text p:last-child{margin-bottom:0}.rich-text ul,.rich-text ol{margin:4px 0 8px;padding-left:20px}.rich-text code{background:#f1f2f8;padding:1px 5px;border-radius:5px;font-size:12.5px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;align-items:center}.chip{font-size:11.5px;padding:3px 9px;border-radius:999px;background:#eef0f7;color:var(--ink-muted);font-weight:600}.chip-purple{background:#ede9fe;color:#6d28d9}.chip-blue{background:#e0f2fe;color:#0369a1}.chip-red{background:#fee2e2;color:#b91c1c}.trace-toggle{margin-left:auto;background:none;border:none;color:var(--ink-muted);font-size:11.5px;text-decoration:underline;padding:0}.trace{margin-top:8px;padding:10px;background:#0f1530;color:#c8d0ec;border-radius:10px;font-family:ui-monospace,Menlo,monospace;font-size:11px}.trace-path{color:#8be9fd;margin-bottom:6px}.trace details{margin-top:4px}.trace summary{cursor:pointer;color:#f1fa8c}.trace pre{white-space:pre-wrap;word-break:break-all;margin:6px 0 0;color:#c8d0ec;max-height:180px;overflow:auto}.trace-flags{color:#ff8a8a;margin-top:6px}.trace-latency{color:#7a84a8;margin-top:6px;text-align:right}.credential-card{margin-top:10px;border:1px solid #bbf7d0;background:#f0fdf4;border-radius:12px;padding:10px 12px}.credential-head{display:flex;justify-content:space-between;font-weight:700;font-size:12.5px;color:#166534}.credential-key{display:flex;gap:8px;align-items:center;margin:8px 0 6px}.credential-key code{flex:1;font-size:11.5px;background:#fff;border:1px solid #dcfce7;padding:6px 8px;border-radius:8px;overflow-x:auto;white-space:nowrap}.credential-key button{border:none;background:var(--green);color:#fff;border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600}.credential-meta{font-size:11.5px;color:#3f6b4f}.pill{font-size:10.5px;padding:2px 8px;border-radius:999px}.pill-green{background:var(--green);color:#fff}.pill-red{background:#dc2626;color:#fff}.pill-blue{background:#e0e7ff;color:#3730a3}.suggestions{display:flex;flex-direction:column;gap:8px;margin-top:4px}.suggestions button{text-align:left;background:#fff;border:1px solid #dcdff0;color:var(--brand);padding:9px 12px;border-radius:12px;font-size:13px;font-weight:500;transition:background .15s}.suggestions button:hover{background:#f1efff}.typing{display:flex;gap:4px;padding:14px}.typing-wrap{display:flex;flex-direction:column;gap:4px}.typing-caption{font-size:11.5px;color:var(--ink-muted);padding:0 12px 10px}.typing span{width:7px;height:7px;border-radius:50%;background:#b5bad0;animation:blink 1.2s infinite ease-in-out}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}.widget-input{display:flex;gap:8px;padding:12px;border-top:1px solid #eceef5;background:#fff}.widget-input input{flex:1;border:1px solid #dcdff0;border-radius:12px;padding:11px 14px;font:inherit;font-size:14px;outline:none;color:var(--ink)}.widget-input input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #6d5efc22}.widget-input button{border:none;background:var(--brand);color:#fff;width:44px;border-radius:12px;font-size:16px}.widget-input button:disabled{opacity:.45;cursor:not-allowed}.widget-footer{text-align:center;font-size:11px;color:var(--ink-muted);padding:0 0 10px;background:#fff}.judge-banner{background:#f4f1ff;border:1px solid #ddd6fe;border-radius:12px;padding:10px 12px;margin-bottom:10px;font-size:13px}.judge-banner em{font-style:normal;font-weight:700;color:#5b21b6}.judge-scores{display:flex;align-items:center;gap:8px;margin:8px 0 6px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-muted)}.judge-vs{font-size:11px}.judge-why{margin:0 0 6px;color:var(--ink);line-height:1.45}.judge-steps{margin:8px 0 0;padding-left:18px;color:var(--ink-muted);font-size:12px}.dual-grid{display:flex;flex-direction:column;gap:8px}.answer-card{border:1px solid #e6e8f0;border-radius:12px;padding:10px 12px;background:#fbfbfe}.answer-winner{border-color:#8b5cf6;background:#f7f4ff;box-shadow:0 0 0 1px #8b5cf655}.answer-card-head{display:flex;justify-content:space-between;gap:8px;align-items:flex-start;margin-bottom:8px}.answer-label{font-weight:800;font-size:12.5px}.answer-hint{font-size:11px;color:var(--ink-muted)}.answer-card-meta{display:flex;gap:6px;align-items:center}.score-pill{font-size:11px;font-weight:800;padding:2px 7px;border-radius:999px;background:#eef0f7}.score-good{background:#dcfce7;color:#166534}.score-ok{background:#fef3c7;color:#92400e}.score-bad{background:#fee2e2;color:#b91c1c}@keyframes blink{0%,80%,to{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@keyframes pop{0%{transform:scale(.8);opacity:0}to{transform:none;opacity:1}}@media (max-width: 520px){.widget{right:8px;bottom:8px;width:calc(100vw - 16px);height:calc(100vh - 16px)}.nav-links a{display:none}}