:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#18202c;background:#e9eef5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at 12% 0%,rgba(28,132,255,.1),transparent 28%),radial-gradient(circle at 86% 12%,rgba(0,150,136,.1),transparent 24%),linear-gradient(135deg,#eef3f8,#e8edf4 42%,#f4f7fa)}button,input,textarea{font:inherit}button{border:0;border-radius:7px;background:linear-gradient(135deg,#1769e0,#0f8b8d);color:#fff;min-height:39px;padding:0 15px;cursor:pointer;font-weight:700;box-shadow:0 10px 20px #1769e029}button:hover:not(:disabled){filter:brightness(1.04)}button:disabled{cursor:not-allowed;opacity:.58;box-shadow:none}input,textarea{width:100%;border:1px solid #cad6e4;border-radius:7px;background:#fbfdff;color:#18202c;padding:10px 11px;outline:none;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}textarea{resize:vertical}input:focus,textarea:focus{border-color:#1769e0;background:#fff;box-shadow:0 0 0 4px #1769e01c}.app-shell{display:grid;grid-template-columns:360px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#f8fbfed1;border-right:1px solid rgba(197,209,224,.82);padding:22px;overflow-y:auto;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:13px;min-height:78px}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#1769e0,#0f8b8d);color:#fff;font-weight:900;letter-spacing:0;box-shadow:0 16px 28px #0f8b8d38}.brand h1,.workspace-header h2,.panel h2,.tool-panel h2{margin:0}.brand h1{font-size:24px;letter-spacing:0}.brand p,.workspace-header p{margin:5px 0 0;color:#637386}.profile-card{display:grid;gap:6px;margin:10px 0 18px;padding:15px;border-radius:8px;color:#18202c;text-decoration:none;background:linear-gradient(135deg,#ffffffe6,#f0f8ffeb),linear-gradient(135deg,#1769e0,#0f8b8d);border:1px solid rgba(196,211,226,.88);box-shadow:0 18px 35px #18202c14}.profile-card span,.eyebrow{color:#0f8b8d;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:0}.profile-card strong{font-size:16px}.profile-card em{color:#1769e0;font-style:normal;font-weight:700;font-size:13px}.panel,.tool-panel,.workspace-header,.chat-panel{background:#ffffffe0;border:1px solid rgba(200,213,227,.88);border-radius:8px;box-shadow:0 18px 45px #18202c14}.panel,.tool-panel{padding:17px;margin-top:16px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel h2,.tool-panel h2{font-size:16px}.pill{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border-radius:999px;background:#e7f1ff;color:#1769e0;font-size:12px;font-weight:800}.pill.soft{background:#e6f6f4;color:#0f8b8d}.status-dot{width:11px;height:11px;border-radius:50%;background:#9aa8ba;box-shadow:0 0 0 5px #9aa8ba24}.status-dot.online{background:#10a36f;box-shadow:0 0 0 5px #10a36f24}.status-dot.offline{background:#d14f4f;box-shadow:0 0 0 5px #d14f4f21}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:5px;background:#e7eef7;padding:5px;border-radius:9px;margin-bottom:14px}.segmented button{background:transparent;color:#526174;min-height:35px;box-shadow:none}.segmented button.active{background:#fff;color:#18202c;box-shadow:0 6px 15px #0f172a1a}label{display:grid;gap:7px;margin-top:12px;color:#465569;font-size:13px;font-weight:700}.actions,.inline-form{display:flex;gap:10px;margin-top:14px}.actions button:nth-child(2),.inline-form button,.file-button{background:#e7eef7;color:#18202c;box-shadow:none}.status-panel dl{display:grid;gap:10px;margin:0}.status-panel dl div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid #edf2f7}.status-panel dl div:last-child{border-bottom:0}dt{color:#637386}dd{margin:0;font-weight:800}.ok{color:#10885e}.muted{color:#78879a}pre{max-height:250px;overflow:auto;background:#121b2a;color:#dbeafe;border-radius:8px;padding:13px;font-size:12px;line-height:1.45;white-space:pre-wrap}.workspace{display:grid;grid-template-rows:auto minmax(420px,1fr) auto;gap:18px;padding:22px;min-width:0}.workspace-header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px}.workspace-header h2{margin-top:4px;font-size:22px}.header-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.workspace-header a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border-radius:7px;color:#1769e0;background:#eef5ff;font-weight:800;text-decoration:none}.workspace-header a.profile-link{color:#0f8b8d;background:#e6f6f4}.chat-panel{display:grid;grid-template-rows:minmax(0,1fr) auto;min-height:440px;overflow:hidden}.messages{overflow-y:auto;padding:20px;background:linear-gradient(180deg,#ffffffbd,#f6fafdeb)}.message{max-width:min(780px,92%);border-radius:8px;padding:14px 15px;margin-bottom:13px;box-shadow:0 12px 24px #18202c14}.message.user{margin-left:auto;background:linear-gradient(135deg,#1769e0,#0f8b8d);color:#fff}.message.assistant{background:#fff;color:#18202c;border:1px solid #dfe8f2}.message p{margin:8px 0 0;line-height:1.68;white-space:pre-wrap}.message-meta{display:flex;justify-content:space-between;gap:12px;font-size:12px;opacity:.82}.empty-state{display:grid;place-items:center;align-content:center;min-height:320px;color:#637386;text-align:center}.empty-state h3{margin:0 0 8px;color:#18202c;font-size:22px}.composer{display:grid;grid-template-columns:minmax(0,1fr) 104px;gap:12px;border-top:1px solid #d9e4ef;padding:15px;background:#f8fbfeeb}.composer button{min-height:72px}.tools-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.tool-panel{margin-top:0}.result-list{display:grid;gap:11px;margin-top:13px}.result-item{border:1px solid #dfe8f2;border-radius:8px;padding:13px;background:#fbfdff}.result-item strong{display:block;margin-bottom:4px}.result-item span{color:#637386;font-size:12px}.result-item p{margin:8px 0 0;color:#465569;line-height:1.58}.file-button{display:inline-grid;place-items:center;min-height:39px;padding:0 14px;margin:0;border-radius:7px;cursor:pointer;font-weight:800}.file-button input{display:none}@media(max-width:960px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid rgba(197,209,224,.82)}.workspace-header{align-items:flex-start;flex-direction:column}.tools-grid,.composer{grid-template-columns:1fr}.composer button{min-height:42px}}