@import"https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap";:root{--ink: #191917;--bone: #ecede9;--bone-2: #e2e3dd;--plate: #f4f4f1;--mut: #6e6e66;--faint: #9a9a90;--line: #d7d8d2;--rust: #c2410c;--rust-dark: #a8370a;--rust-soft: #e8956a;--band: #1b1b18;--band-2: #24241f;--band-line: #3a3a34;--band-mut: #9a9a90;--ok: #5f7a3a;--font-display: "Archivo", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace}*{box-sizing:border-box}body{margin:0;font-family:var(--font-display);background:var(--bone);color:var(--ink)}button{cursor:pointer;font-family:inherit}*{scrollbar-width:thin;scrollbar-color:transparent transparent}*:hover{scrollbar-color:rgba(25,25,23,.24) transparent}*::-webkit-scrollbar{width:8px;height:8px}*::-webkit-scrollbar-track,*::-webkit-scrollbar-corner{background:transparent}*::-webkit-scrollbar-button{display:none;width:0;height:0}*::-webkit-scrollbar-thumb{background:transparent;border-radius:0}*:hover::-webkit-scrollbar-thumb{background:#19191738}*::-webkit-scrollbar-thumb:hover{background:#19191766}input,textarea,select{font-family:inherit}.layout{max-width:1240px;margin:0 auto;padding:20px}header h1{margin:0 0 6px;font-size:20px}header .meta{display:flex;gap:14px;font-size:12px;color:var(--mut);margin-bottom:16px}.dot:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:5px}.dot.on:before{background:var(--ok)}.dot.off:before{background:var(--rust)}.chat-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);grid-template-rows:minmax(0,1fr) auto;gap:20px;flex:none;height:calc(100dvh - 150px);min-height:460px}.chat{display:grid;grid-template-rows:minmax(0,1.4fr) 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.card-media{grid-column:1;grid-row:auto;margin:-14px -14px 12px;border-bottom:1px solid var(--ink);border-left:none}.card:first-child .card-thumb{height:200px;min-height:0}}@media (max-width: 1100px){.content{display:block}.chat-grid{display:flex;flex-direction:column;height:auto}.turns{max-height:55vh}.timeline{max-height:40vh}.cards-pane{overflow:visible}}@media (max-width: 960px){main{grid-template-columns:1fr}}.session-btn{border:1px solid var(--ink);background:transparent;border-radius:0;padding:4px 12px;font-size:12px;font-weight:600;color:var(--ink);transition:color .2s,border-color .2s}.session-btn:hover{border-color:var(--rust);color:var(--rust)}.session-select{max-width:220px;border:1px solid var(--ink);border-radius:0;padding:4px 6px;font-size:12px;background:var(--bone);color:var(--ink)}.chat-card{margin:10px 0 10px 62px}.history{display:grid;grid-template-columns:280px 1fr;gap:20px;align-items:start;height:100%}.history-list{background:var(--plate);border:1px solid var(--ink);border-radius:0;padding:12px;max-height:80vh;overflow-y:auto}.history-list-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.history-list-head h2{margin:0;font-size:14px;font-weight:800}.history-count{background:var(--ink);color:var(--bone);border-radius:0;padding:2px 8px;font-family:var(--font-mono);font-size:12px}.history-item{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;border:none;border-left:2px solid transparent;background:transparent;border-radius:0;padding:8px 10px;cursor:pointer}.history-item:hover{background:var(--bone-2)}.history-item.active{background:var(--bone-2);border-left-color:var(--rust)}.history-item-id{font-size:13px;color:var(--ink);word-break:break-all}.history-item-time{font-family:var(--font-mono);font-size:11px;color:var(--faint)}.history-error{background:#f7e8df;color:var(--rust);border-radius:0;padding:6px 8px;font-size:12px;margin-bottom:8px}.history-detail{background:var(--plate);border:1px solid var(--ink);border-radius:0;padding:16px;max-height:80vh;overflow-y:auto}.history-detail-head{font-size:12px;color:var(--mut);margin-bottom:12px}@media (max-width: 960px){.history{grid-template-columns:1fr}}.shell{display:flex;height:100vh}.sidebar{width:224px;flex:none;background:var(--bone);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px}.brand{padding:4px 6px 16px;border-bottom:2px solid var(--ink)}.brand-name{font-size:14px;font-weight:800;letter-spacing:.18em}.brand-sub{font-size:11px;color:var(--mut);margin-top:4px;letter-spacing:.04em}.sidebar nav{display:flex;flex-direction:column;gap:2px;margin-top:14px;flex:1}.nav-item{display:block;padding:9px 10px;border-left:2px solid transparent;border-radius:0;font-size:13px;color:var(--mut);text-decoration:none;transition:color .15s,background .15s}.nav-item:hover{background:var(--bone-2);color:var(--ink)}.nav-item.active{background:var(--bone-2);border-left-color:var(--rust);color:var(--ink);font-weight:700}.sidebar-footer{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:8px}.whoami{font-size:12px;color:var(--ink);font-weight:700}.sidebar-footer button{align-self:flex-start;font-size:12px;color:var(--mut);background:none;border:none;cursor:pointer;padding:0}.sidebar-footer button:hover{color:var(--rust)}.content{flex:1;min-width:0;display:flex;flex-direction:column;overflow-y:auto;padding:16px 24px 0}.restore-hint{height:100vh;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--mut)}.chat-header{margin-bottom:14px;padding-bottom:12px;border-bottom:2px solid var(--ink)}.chat-header .meta{margin-bottom:0;align-items:center}.chat-card{margin:12px 0}.cards-pane{min-height:0;overflow-y:auto;padding:2px 6px 8px 2px}.cards-empty{height:100%;min-height:220px;display:flex;align-items:center;justify-content:center;text-align:center;border:1px dashed var(--line);color:var(--faint);font-size:13px;padding:24px}.confirm-pane{grid-column:1 / -1;flex:none;display:grid;gap:12px;margin-bottom:20px}.composer{position:sticky;bottom:0;z-index:5;flex:none;display:flex;gap:14px;align-items:flex-end;margin-top:4px;padding:12px 0 10px;border-top:1px solid var(--line);background:var(--bone)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bone)}.login-card{width:100%;max-width:380px;background:var(--plate);border:1px solid var(--ink);border-top:4px solid var(--ink);border-radius:0;padding:36px 32px}.login-card h1{margin:0 0 4px;font-size:18px;font-weight:800;letter-spacing:.06em}.login-card p{margin:0 0 22px;font-size:12px;color:var(--mut)}.login-card form{display:flex;flex-direction:column;gap:12px}.login-card label{font-size:12px;color:var(--mut);margin-bottom:-6px}.login-card input{padding:10px 12px;border:1px solid var(--ink);border-radius:0;font-size:14px;background:transparent;color:var(--ink);outline:none}.login-card input:focus{border-color:var(--rust)}.login-error{background:#f7e8df;color:var(--rust);font-size:12px;padding:8px 10px;border-radius:0}.login-card button{margin-top:6px;padding:11px;background:var(--ink);color:var(--bone);border:none;border-radius:0;font-size:14px;font-weight:700;transition:background .2s}.login-card button:hover:not(:disabled){background:var(--rust)}.login-card button:disabled{opacity:.5;cursor:not-allowed}.card-media{position:relative;margin:-14px -14px 12px;border-radius:0;border-bottom:1px solid var(--ink);overflow:hidden;background:var(--bone-2)}.card-thumb{display:block;width:100%;height:160px;object-fit:cover}.card-badge{position:absolute;top:10px;left:10px;padding:3px 9px;border-radius:0;font-size:11px;font-weight:700;letter-spacing:.1em;color:#fff;background:var(--rust)}.card .price-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.card .price{margin-bottom:0}.buy-link{flex:none;font-size:12px;font-weight:700;color:var(--ink);text-decoration:none;padding:4px 10px;border:1px solid var(--ink);border-radius:0;background:transparent;transition:color .2s,border-color .2s}.buy-link:hover{color:var(--rust);border-color:var(--rust)}.order-buy-link{display:inline-block;margin-top:8px;padding:7px 16px;border-radius:0;font-size:13px;font-weight:700;color:#fff;background:var(--rust);text-decoration:none}.order-buy-link:hover{background:var(--rust-dark)}