:root{--bg:#f7f7f8;--panel:#fff;--ink:#202123;--muted:#6b7280;--line:#e5e7eb;--dark:#111827;--accent:#10a37f;--accent2:#0d8f70}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}header{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}header>a{font-weight:800;display:flex;gap:9px;align-items:center}nav{display:flex;gap:18px;font-size:14px;color:#4b5563}nav a:hover{color:var(--ink)}.container{max-width:1280px;margin:auto;padding:30px 22px}.narrow{max-width:900px}.head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px}.head h1{margin:5px 0;font-size:32px;letter-spacing:-.03em}.head p{margin:0;color:var(--muted);max-width:760px}.button,button{background:var(--accent);color:white;border:0;border-radius:10px;padding:11px 16px;font-weight:700;cursor:pointer}.button:hover,button:hover{background:var(--accent2)}.secondary{background:#fff;color:#374151;border:1px solid #d1d5db}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.card,.panel,.stat{background:var(--panel);border:1px solid var(--line);border-radius:16px}.card{padding:20px;display:flex;align-items:center;gap:14px;transition:.15s}.card:hover{box-shadow:0 8px 25px #0000000d;transform:translateY(-1px)}.card b{background:#ecfdf5;color:#047857;padding:12px;border-radius:12px}.card span{margin-left:auto}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px;margin-bottom:18px}.stat{padding:16px}.stat b{display:block;font-size:24px}.stat small{color:#667085}.two{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.panel{padding:20px;margin-bottom:18px}.panel h2{margin-top:0}.row{display:flex;align-items:center;justify-content:space-between;gap:10px}.issue{padding:11px;border:1px solid var(--line);border-left:4px solid #98a2b3;border-radius:8px;margin:8px 0}.issue.critical{border-left-color:#d92d20}.issue.high{border-left-color:#f79009}.issue p{margin:5px 0;color:#667085;font-size:13px}.file{display:flex;width:100%;justify-content:space-between;background:#fff;color:#344054;border:0;border-bottom:1px solid #eee;border-radius:0;text-align:left;font-family:monospace}.file small{color:#98a2b3}.chat-shell{height:calc(100vh - 125px);min-height:600px;display:grid;grid-template-columns:230px minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.chat-sidebar{background:#f9fafb;border-right:1px solid var(--line);padding:16px}.chat-sidebar h3{font-size:13px;margin:8px 0 12px;color:#6b7280;text-transform:uppercase;letter-spacing:.08em}.chat-main{min-width:0;display:flex;flex-direction:column;background:#fff}.chat-top{height:58px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 20px;font-weight:700}.chat-top small{font-weight:400;color:#9ca3af;margin-left:8px}.chat{flex:1;overflow:auto;padding:28px max(24px,calc((100% - 850px)/2));background:#fff}.msg{max-width:850px;margin:0 auto 22px;display:flex;gap:12px;line-height:1.65}.msg .avatar{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;flex:0 0 30px;font-size:13px;font-weight:800}.msg .bubble{min-width:0;flex:1}.msg.user .avatar{background:#e5e7eb;color:#374151}.msg.user .bubble{padding-top:3px}.msg.assistant .avatar{background:#10a37f;color:#fff}.msg.assistant .bubble{padding-top:2px}.msg pre{margin:8px 0 0;white-space:pre-wrap;overflow:auto;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;background:#f6f6f6;border:1px solid #e5e7eb;border-radius:10px;padding:12px}.composer-wrap{padding:12px 20px 18px;background:#fff}.composer{max-width:850px;margin:auto;border:1px solid #cfd2d6;border-radius:15px;box-shadow:0 2px 8px #0000000a;background:#fff}.composer textarea{border:0!important;outline:0;resize:none;min-height:68px;padding:14px 15px 6px;border-radius:15px 15px 0 0}.composer-actions{display:flex;justify-content:space-between;align-items:center;padding:7px 9px 9px}.attach{font-size:13px;color:#6b7280;cursor:pointer}.attach input{display:none}.composer button{border-radius:9px;padding:8px 13px}.upload-row{padding:0 20px 10px}.upload-label{display:grid;gap:6px;background:#f9fafb;border:1px dashed #cbd5e1;border-radius:12px;padding:10px;color:#374151}.upload-label input{background:#fff}.upload-label small{font-weight:400;color:#667085}.quick{display:grid;gap:7px}.quick a{padding:9px 10px;border:1px solid var(--line);border-radius:9px;font-size:12px;color:#4b5563;background:#fff}.quick a:hover{background:#f3f4f6}textarea,input,select{width:100%;padding:12px;border:1px solid #d0d5dd;border-radius:10px;font:inherit}form{display:grid;gap:10px}label{display:grid;gap:6px;font-weight:700;font-size:13px}.auth{min-height:100vh;display:grid;place-items:center;background:#111827}.auth-card{background:#fff;width:min(420px,92%);padding:32px;border-radius:18px}.auth-card h1{margin-top:0}.auth-card form{margin-top:20px}.error,.success,.notice{padding:12px;border-radius:9px;margin:10px 0}.error{background:#fff1f0;color:#b42318}.success{background:#ecfdf3;color:#067647}.notice{background:#eef4ff}.empty{text-align:center;padding:50px;grid-column:1/-1}.msg img{max-width:100%;border-radius:10px}.admin-badge{font-size:11px;background:#111827;color:#fff;border-radius:999px;padding:4px 8px;margin-left:8px}@media(max-width:900px){.two{grid-template-columns:1fr}.chat-shell{grid-template-columns:1fr}.chat-sidebar{display:none}.chat{padding:20px 14px}.composer-wrap{padding:10px}.head{align-items:start;flex-direction:column}header{padding:12px 15px;height:auto;gap:10px;align-items:flex-start;flex-direction:column}nav{gap:12px;flex-wrap:wrap}.container{padding:20px 14px}}@media(max-width:520px){.chat-shell{height:calc(100vh - 100px);min-height:500px;border-radius:12px}.chat-top{padding:0 14px}.msg{gap:8px}.msg .avatar{width:28px;height:28px;flex-basis:28px}.head h1{font-size:27px}}