:root{--bg:#f6f6f2;--paper:#fff;--ink:#22312d;--muted:#75817b;--line:#e0e5dd;--green:#256647;--light:#e9f1e8;--amber:#99651b;--amber-bg:#fcf4e4;--danger:#ac453b;--shadow:0 16px 48px #263b2910;font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}a{color:inherit;text-decoration:none}
.shell{display:flex;min-height:100vh}.sidebar{width:236px;flex-shrink:0;background:#eef1e9;border-right:1px solid var(--line);padding:30px 22px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}.brand{display:flex;gap:12px;align-items:center;font-weight:650;font-size:16px}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:5px;font-weight:400;letter-spacing:.05em}.brand-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--green);color:white;font-size:20px}.new-session{margin:32px 0 34px;border:1px solid #c7d5c5;border-radius:9px;background:#f9fbf6;padding:13px;text-align:left;font-size:13px;color:var(--green)}.new-session:hover{background:#fff}.nav-label{color:#8b948a;letter-spacing:.12em;font-size:11px;margin-bottom:18px}.connection{display:flex;gap:9px;align-items:center;font-size:12px;margin:0 0 16px}.connection i{width:7px;height:7px;border-radius:50%;background:#b4beb1}.connection i.ready{background:#3d9366}.sidebar-note{margin-top:auto;background:#e5ebe0;padding:16px;border-radius:10px}.sidebar-note strong{font-size:12px}.sidebar-note p{font-size:11px;line-height:1.9;color:#697365;margin-bottom:0}.settings-button{border:0;border-top:1px solid #d8dfd2;background:none;text-align:left;padding:22px 0 10px;margin-top:22px;color:#53624f;font-size:13px}.version{color:#98a091;font-size:10px;margin-top:10px}
main{margin-left:236px;width:calc(100% - 236px);padding:42px max(32px,calc((100vw - 1320px)/2));max-width:1700px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px}.eyebrow{font-size:10px;letter-spacing:.17em;color:#80907e;font-weight:700}h1{font-size:30px;font-weight:550;letter-spacing:-.04em;margin:9px 0 8px}header p{font-size:13px;color:var(--muted);margin:0}.privacy-pill{font-size:11px;white-space:nowrap;border:1px solid #d4e2cf;color:#597350;background:#f1f6ed;padding:9px 13px;border-radius:30px}.toolbar{display:flex;gap:30px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}.toggle{display:flex;gap:10px;align-items:center;cursor:pointer;font-size:12px}.toggle small{display:block;color:#8a9588;font-size:10px;margin-top:4px}.toggle input{position:absolute;opacity:0;pointer-events:none}.switch{position:relative;width:32px;height:19px;border-radius:20px;background:#c7cfc2;transition:.2s}.switch:after{content:"";position:absolute;top:3px;left:3px;width:13px;height:13px;border-radius:50%;background:white;transition:.2s;box-shadow:0 1px 3px #0002}.toggle input:checked+.switch{background:var(--green)}.toggle input:checked+.switch:after{transform:translateX(13px)}.toggle input:focus-visible+.switch{outline:2px solid #306b49;outline-offset:3px}.text-button{border:0;background:none;color:var(--green);font-size:12px;padding:8px}.toolbar>.text-button{margin-left:auto}.danger{color:var(--danger)}
.conversation{min-height:330px;padding:30px 0}.welcome{text-align:center;padding:30px 0 16px}.welcome-mark{display:grid;place-items:center;width:54px;height:54px;background:#e9eee3;border-radius:18px;font-size:30px;color:#4d7850;margin:0 auto 18px}.welcome h2{font-size:21px;font-weight:500;margin:0 0 10px}.welcome p{font-size:12px;line-height:2;color:var(--muted)}.capabilities{display:flex;justify-content:center;gap:8px;margin-top:22px}.capabilities span{padding:7px 11px;border:1px solid var(--line);border-radius:5px;font-size:10px;color:#7c8875}
.composer{background:#fff;border:1px solid #dce3d5;border-radius:14px;box-shadow:var(--shadow);padding:18px 20px}.composer textarea{resize:vertical;width:100%;border:0;background:transparent;line-height:1.9;font-size:13px;min-height:80px;padding:4px 0;color:var(--ink)}.composer textarea:focus{outline:none}.composer textarea::placeholder{color:#a0a89a}.composer-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}.attach-button{border:0;background:#f0f3ec;padding:8px 12px;border-radius:6px;font-size:11px;color:#617455}.composer-note{font-size:10px;color:#9aa392;margin-left:10px}.primary{border:1px solid var(--green);background:var(--green);color:white;padding:11px 17px;border-radius:8px;font-size:12px;white-space:nowrap}.primary:hover{background:#1b5037}.secondary{border:1px solid var(--line);background:#fff;color:#52664b;padding:11px 16px;border-radius:8px;font-size:12px}.selected-files{display:flex;gap:8px;flex-wrap:wrap}.file-chip{display:inline-flex;gap:8px;align-items:center;border:1px solid #e0e7d7;border-radius:6px;background:#f7f9f2;padding:7px 10px;font-size:11px}.file-chip button{border:0;background:none;color:#9aa38f;padding:0}footer{text-align:center;color:#a0a99a;font-size:10px;margin:20px 0}
.hidden{display:none!important}.progress-panel{display:flex;align-items:center;justify-content:space-between;background:var(--light);border:1px solid #d4e2cf;padding:12px 16px;border-radius:9px;font-size:12px;margin-bottom:18px}.section-head{display:flex;justify-content:space-between;align-items:center}.section-head h2,.action-panel h2{font-size:19px;font-weight:550;margin:6px 0 0}.review-panel,.action-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:20px}.muted{font-size:12px;line-height:1.9;color:var(--muted)}.badge{background:var(--amber-bg);color:var(--amber);font-size:11px;border-radius:20px;padding:7px 12px}.review-card{border:1px solid var(--line);border-radius:9px;margin:16px 0;padding:16px}.review-title{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600;gap:10px}.review-card .reasons{font-size:11px;color:var(--amber);line-height:1.8;background:var(--amber-bg);padding:10px 12px;border-radius:6px;white-space:pre-wrap;margin:12px 0}.review-card textarea,.action-panel textarea{width:100%;font-family:Consolas,"Microsoft YaHei",monospace;font-size:12px;line-height:1.7;border:1px solid var(--line);padding:12px;border-radius:7px;resize:vertical;background:#fcfdf9}.review-check{display:flex;align-items:flex-start;gap:8px;font-size:11px;color:#68765f;margin-top:12px;line-height:1.7}.review-card details{font-size:11px;color:#7a8970;margin:12px 0}.review-card details pre{color:#70796a}.original-preview{max-width:100%;max-height:260px;display:block;border-radius:6px;margin-top:12px}.action-panel{border-color:#e6cfa3;background:#fffefa}.actions{display:flex;gap:9px;margin-top:18px}.wrap{flex-wrap:wrap}pre{font-family:Consolas,"Microsoft YaHei",monospace;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:12px;max-height:380px;overflow:auto;background:#f3f5ef;border-radius:8px;padding:14px}.message{margin:10px 0 26px;line-height:1.85;font-size:13px}.message-head{font-size:10px;letter-spacing:.08em;color:#87917f;margin-bottom:10px}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;background:white;border:1px solid var(--line);border-radius:10px;padding:18px}.message.user .message-body{background:#edf3e8;border-color:#e1e9d8}.result-controls{display:flex;gap:8px;margin-bottom:10px}.result-controls button{font-size:11px}.message.error .message-body{color:var(--danger);background:#fff5f2}
dialog{border:1px solid var(--line);border-radius:16px;padding:26px;width:min(640px,92vw);max-height:90vh;box-shadow:0 30px 100px #0002}dialog::backdrop{background:#26302355;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head h2{font-size:22px;font-weight:550;margin:7px 0 18px}.icon-button{border:0;background:none;font-size:25px;color:#91a087;align-self:flex-start}.notice{background:#f1f5eb;color:#6b7c60;font-size:11px;line-height:1.9;padding:13px;border-radius:8px;margin:8px 0 20px}.notice.subtle{background:#f7f6f0;color:#8b8369;margin:18px 0 0}dialog h3{font-size:12px;letter-spacing:.03em;border-top:1px solid var(--line);padding-top:19px;margin:22px 0 14px}dialog label{display:block;color:#6e7b65;font-size:11px;margin:14px 0 7px}dialog input:not([type=file]){width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:7px;font-size:12px;color:var(--ink)}.import-button{border:1px dashed #bdcfb0;border-radius:7px;text-align:center;padding:13px;cursor:pointer;background:#f6f9f1!important;color:#4c7041!important}.remote-file{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#293d2c;color:#fff;padding:14px 23px;border-radius:10px;box-shadow:var(--shadow);z-index:20;font-size:12px;max-width:85vw;white-space:pre-wrap}
@media(max-width:1000px){.sidebar{width:190px;padding:24px 16px}main{margin-left:190px;width:calc(100% - 190px);padding:32px 26px}.composer-note{display:none}.privacy-pill{display:none}.toolbar{gap:20px}header h1{font-size:26px}}
@media(max-width:700px){.sidebar{position:static;width:100%;padding:14px 18px;flex-direction:row;align-items:center;gap:12px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .nav-label,.sidebar .connection,.sidebar .sidebar-note,.sidebar .version,.brand small{display:none}.sidebar .new-session{margin:0 0 0 auto;font-size:11px;padding:9px}.settings-button{margin:0;padding:0;border:0;font-size:11px}.brand{font-size:13px}.brand-icon{width:30px;height:30px;font-size:16px}.shell{display:block}main{margin:0;width:100%;padding:25px 18px}header{margin-bottom:22px}.toolbar{gap:14px;flex-wrap:wrap}.toolbar>.text-button{margin-left:0;padding-left:0}.welcome{padding:22px 0}.welcome h2{font-size:19px}.conversation{min-height:280px}.composer{padding:14px}.composer-bottom{align-items:center}.primary{padding:10px 12px;font-size:11px}.capabilities{flex-wrap:wrap}.review-panel,.action-panel{padding:15px}.review-title{align-items:flex-start}.privacy-pill{display:none}}

.brand img.brand-icon{object-fit:contain;background:#fff;border-radius:9px;padding:0;flex-shrink:0}

.history-heading{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#7e8a7e;margin:18px 0 8px}
.history-heading span{font-size:11px;background:#e2e9dd;padding:1px 6px;border-radius:10px}
.session-list{max-height:34vh;min-height:90px;overflow-y:auto;margin:0 -7px 10px;padding:0 3px}
.session-row{display:flex;align-items:center;border:1px solid transparent;border-radius:9px;margin:3px 0}
.session-row.active{background:#fff;border-color:#cddaca}
.session-entry{min-width:0;flex:1;padding:9px 8px;background:transparent;border:0;text-align:left;cursor:pointer;color:#29382c}
.session-title{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;line-height:1.5}
.session-entry small{display:block;font-size:10px;color:#8a958a;margin-top:3px}
.session-edit{border:0;background:transparent;color:#899484;padding:7px;cursor:pointer}
.sidebar-note{margin-top:auto}.session-caption{font-size:13px;color:#788772;margin:5px 0}
.model-toolbar{display:flex;align-items:flex-start;flex-wrap:wrap;gap:12px;margin:15px 0 8px;padding:14px 16px;background:#eef2e9;border:1px solid #dfe7d9;border-radius:12px}
.model-toolbar label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:#56664e}
.model-toolbar select,.model-toolbar input{min-width:172px;max-width:280px;background:#fff;border:1px solid #ccd8c7;border-radius:7px;padding:8px 10px;font:inherit;color:#283b2a}
.model-toolbar small{max-width:260px;color:#8b7560;font-size:10px}.model-toolbar p{flex-basis:100%;font-size:11px;color:#87917e;margin:0}
.file-edit{flex:1;min-width:220px;max-width:420px;border:1px solid #dce5d6;background:#f4f7ee;border-radius:9px;padding:10px}
.file-edit-head{display:flex;justify-content:space-between;gap:12px;font-size:12px;word-break:break-all}
.file-edit-head button{border:0;background:transparent;cursor:pointer}
.file-edit label{display:block;font-size:10px;color:#7c8a73;margin-top:8px}.file-edit input{display:block;width:100%;box-sizing:border-box;border:1px solid #d4decd;border-radius:6px;margin-top:4px;padding:7px;font-size:12px;background:#fff}
.filename-label{display:block;color:#51634d;font-size:12px;margin:12px 0}.filename-row{display:flex;gap:8px;margin:6px 0}
.filename-row input{flex:1;min-width:0;border:1px solid #cbd7c5;border-radius:7px;padding:9px;font:inherit}
.filename-row button{white-space:nowrap}.filename-label small{font-size:11px}.model-note{display:block;font-size:10px;color:#82907b;margin:3px 0 12px}
#rename-session-dialog{max-width:420px;width:90%}#rename-session-dialog input{display:block;width:100%;box-sizing:border-box;padding:10px;border:1px solid #d1dccb;border-radius:7px;margin:8px 0 18px}
@media(max-height:850px){.sidebar-note{padding:10px}.session-list{max-height:25vh}.history-heading{margin-top:10px}.nav-label{margin-top:10px}}
@media(max-width:900px){.filename-row{flex-wrap:wrap}.model-toolbar select{min-width:145px}}

.conversation{min-height:180px}#welcome{padding:14px 0 8px}#welcome .welcome-mark{width:42px;height:42px;margin:0 auto 12px}#welcome h2{margin-bottom:8px}#welcome .capabilities{margin-top:12px}

.sidebar{overflow-y:auto}.usage-shortcut{display:grid;gap:5px;text-align:left;border:1px solid #cbd9c8;background:#f7faf4;border-radius:12px;padding:12px;margin-top:20px;color:#285d47}.usage-shortcut small{font-size:11px;color:#788b7c}.usage-shortcut strong{font-size:15px}
#usage-dialog{width:min(650px,calc(100vw - 50px))}.plan-overview{display:flex;align-items:center;gap:16px;margin:20px 0}.plan-overview strong{flex:1;font-size:22px}.usage-meters{display:grid;gap:14px}.usage-meter{padding:16px;border:1px solid #dae2d4;border-radius:12px}.usage-meter-title{display:flex;justify-content:space-between;gap:12px}.usage-meter progress{width:100%;height:12px;margin:12px 0;accent-color:#2c7154}.usage-meter small{display:block}.expiry-panel{border-top:1px solid #dae2d4;margin-top:22px;padding-top:18px}.expiry-panel label{display:block;margin-bottom:8px}