:root{color-scheme:light;--bg: #f8f6fc;--panel: #ffffff;--ink: #172033;--muted: #667085;--line: #ddd8ee;--primary: #7c3aed;--primary-dark: #5b21b6;--primary-soft: #f2ecff;--primary-line: #d8c7ff;--accent: #10a67a;--accent-soft: #eaf8f2;--accent-line: #bdebd7;--danger: #c83232;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button{border:0;cursor:pointer}.boot{min-height:100vh;display:grid;place-items:center;color:var(--muted)}.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:48px;align-items:center;padding:56px 8vw;background:linear-gradient(135deg,#f3eeff,#fbfcff 48%,#eaf8f2)}.login-copy h1{max-width:760px;margin:26px 0 18px;font-size:46px;line-height:1.16;letter-spacing:0}.login-copy p{max-width:620px;font-size:18px;color:var(--muted);line-height:1.8}.login-card,.panel,.agent-card,.metric{background:#ffffffeb;border:1px solid var(--line);box-shadow:0 18px 48px #20345914}.login-card{padding:32px;border-radius:8px;display:grid;gap:18px}.login-card h2{margin:0;font-size:24px}label{display:grid;gap:8px;color:var(--muted)}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:6px;padding:12px 13px;background:#fff;color:var(--ink);outline:none}textarea{min-height:92px;resize:vertical;line-height:1.6}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #7c3aed24}.primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:6px;background:var(--primary);color:#fff;font-weight:700}.primary:hover{background:var(--primary-dark)}.primary:disabled{opacity:.6;cursor:not-allowed}.ghost{background:var(--primary-soft);color:var(--primary);border-radius:6px;padding:10px 14px}.error{color:var(--danger);background:#fff1f1;border:1px solid #ffd0d0;padding:10px 12px;border-radius:6px}.muted{color:var(--muted)}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;padding:22px;background:#1f1633;color:#fff;display:flex;flex-direction:column;gap:28px}.brand{display:flex;align-items:center;gap:12px}.brand.large{font-size:20px}.brand span,.profile span{display:block;color:#c9bee4;font-size:12px;margin-top:4px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;background:linear-gradient(135deg,#7c3aed,#10a67a);color:#fff}.sidebar nav{display:grid;gap:8px}.sidebar nav button{display:flex;align-items:center;gap:10px;padding:12px;border-radius:6px;background:transparent;color:#e4dcf5;text-align:left}.sidebar nav button.active,.sidebar nav button:hover{background:#ffffff1a;color:#fff}.profile{margin-top:auto;display:grid;grid-template-columns:20px 1fr 34px;gap:10px;align-items:center;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}.profile strong{display:block;max-width:145px;overflow:hidden;text-overflow:ellipsis}.icon-button{width:34px;height:34px;border-radius:6px;display:grid;place-items:center;background:#ffffff1a;color:#fff}.main{min-width:0}.page{padding:30px}.page-head,.chat-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.page-head h1,.chat-head h1{margin:4px 0 0;font-size:28px;letter-spacing:0}.eyebrow{color:var(--accent);font-size:12px;font-weight:800;text-transform:uppercase}.metric{min-width:150px;padding:16px 18px;border-radius:8px}.metric strong{display:block;font-size:28px}.metric span{color:var(--muted);font-size:13px}.agent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}.agent-card{min-height:245px;border-radius:8px;padding:22px;display:flex;flex-direction:column;gap:12px}.agent-card h2{margin:0;font-size:20px}.agent-card p{margin:0;color:var(--muted);line-height:1.7;flex:1}.agent-card button{border-radius:6px;padding:11px 14px;background:var(--primary-soft);color:var(--primary);font-weight:700}.card-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;background:var(--accent-soft);color:var(--accent)}.chat-layout{height:100vh;display:grid;grid-template-rows:auto 1fr auto;background:#f8f6fc}.chat-head{padding:18px 28px;margin:0;border-bottom:1px solid var(--line);background:#ffffffe6}.chat-titlebar{width:100%;display:flex;align-items:center;gap:18px}.chat-titlebar h1{margin:4px 0 0;font-size:26px}.new-chat-button{margin-left:auto;display:inline-flex;align-items:center;gap:7px}.chat-body{min-height:0;overflow:auto;display:grid;align-content:start;gap:16px;padding:20px 28px 26px}.guide-strip{width:min(980px,100%);justify-self:center;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;border:1px solid var(--accent-line);border-radius:8px;background:var(--accent-soft);padding:14px 16px}.guide-strip strong{display:block;margin-bottom:6px}.guide-strip p{margin:0;color:#365f50;line-height:1.6}.guide-strip button,.copy{display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--ink);padding:8px 10px;border-radius:6px}.messages{width:min(980px,100%);justify-self:center;display:flex;flex-direction:column;gap:14px;padding-bottom:8px}.empty{min-height:260px;display:grid;align-content:center;justify-items:center;gap:12px;color:var(--muted);text-align:center;border:1px dashed #c5d2e7;border-radius:8px;background:#ffffffb8;padding:28px}.empty strong{color:var(--ink);font-size:18px}.empty span{max-width:640px;line-height:1.7}.message{max-width:78%;padding:14px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;box-shadow:0 8px 24px #2034590d}.message.user{align-self:flex-end;background:var(--primary-soft);border-color:var(--primary-line)}.message.assistant{align-self:flex-start}.message-meta{font-size:12px;color:var(--muted);margin-bottom:8px}.message pre{white-space:pre-wrap;margin:0;line-height:1.75;font-family:inherit}.copy{margin-top:10px;font-size:12px;background:#f2f5f9}.composer-shell{padding:14px 28px 16px;border-top:1px solid var(--line);background:#fffffff5}.composer{width:min(980px,100%);margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 112px;gap:12px;padding:0;border:0}.composer textarea{min-height:70px;max-height:180px;border-radius:8px}.icon-send{align-self:stretch;min-height:70px;border-radius:8px}.send-hint{display:block;width:min(980px,100%);margin:8px auto 0;color:var(--muted);font-size:12px}.tabs{display:flex;gap:8px;margin-bottom:16px}.tabs button{display:inline-flex;align-items:center;gap:7px;padding:10px 14px;border-radius:6px;background:#f0edf8;color:var(--ink)}.tabs button.active{background:var(--primary);color:#fff}.admin-grid{display:grid;grid-template-columns:minmax(360px,430px) minmax(0,1fr);gap:18px;align-items:start}.panel{border-radius:8px;padding:18px;min-width:0}.panel h2{margin:0 0 14px;font-size:18px}.panel{display:grid;gap:12px}.panel-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-toolbar h2{margin:0}.form-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.form-title h2{margin:4px 0 0}.agent-editor{position:sticky;top:22px}.agent-editor input,.agent-editor select{min-height:42px}.guide-box{min-height:96px}.prompt-box{min-height:220px}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.agent-list-panel{align-content:start}.agent-list{display:grid;gap:12px}.agent-row-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:16px;display:grid;gap:12px}.agent-row-card:hover{border-color:var(--primary-line);box-shadow:0 10px 28px #5b21b614}.agent-row-main{display:grid;grid-template-columns:minmax(0,1fr) 86px;gap:14px;align-items:start}.agent-row-actions{display:grid;gap:8px}.agent-row-main button{min-height:36px;border-radius:6px;background:var(--primary-soft);color:var(--primary);font-weight:700}.agent-row-main .danger-button{background:#fff1f1;color:var(--danger)}.agent-row-title{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:8px}.agent-row-title strong{font-size:17px}.agent-row-card p{margin:0;color:var(--muted);line-height:1.65}.agent-row-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:12px}.agent-row-meta span{background:#faf9ff;border:1px solid var(--line);border-radius:999px;padding:5px 8px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-pill{border-radius:999px;padding:4px 8px;font-size:12px;font-weight:800}.status-pill.active{background:#e9f8f1;color:#087647}.status-pill.draft{background:#fff6df;color:#9a6700}.status-pill.disabled{background:#eef0f4;color:#667085}.model-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));gap:16px}.model-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:20px;display:grid;gap:18px;box-shadow:0 18px 48px #2034590f}.model-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.model-card-head h2{margin:4px 0 0;font-size:22px}.model-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.model-summary div,.model-details div{border:1px solid var(--line);border-radius:8px;background:#fbfaff;padding:12px;min-width:0}.model-summary span,.model-details span{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}.model-summary strong{display:block;font-size:17px;overflow-wrap:anywhere}.model-details{display:grid;gap:10px}.model-details code{display:block;color:#493179;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;white-space:normal;overflow-wrap:anywhere}.table-panel{overflow:auto;align-content:start}.wide{width:100%}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:10px 9px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:700;background:#fbfaff;position:sticky;top:0}td button{background:var(--primary-soft);color:var(--primary);border-radius:5px;padding:6px 8px}@media (max-width: 900px){.login-page{grid-template-columns:1fr;padding:28px 18px}.login-copy h1{font-size:32px}.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.chat-layout{height:auto;min-height:100vh}.chat-head,.chat-body,.composer-shell{padding-left:16px;padding-right:16px}.chat-titlebar{align-items:flex-start;flex-direction:column}.new-chat-button{margin-left:0}.guide-strip,.admin-grid{grid-template-columns:1fr}.message{max-width:100%}.composer{grid-template-columns:1fr}.icon-send{min-height:46px}.panel-toolbar{align-items:stretch;flex-direction:column}.model-grid,.model-summary{grid-template-columns:1fr}}