:root{--bg:#faf9f7;--panel:#f2f0ec;--card:#fff;--hover:#e9e6e0;--active:#e2ded6;--border:#e5e1da;--border2:#ddd8d0;--ink:#1f1e1c;--inkOn:#faf9f7;--text2:#4a463f;--text3:#33302b;--muted:#8a8479;--faint:#a39d92;--senddis:#d5d0c7;--scroll:#dcd8d1;--overlay:#1f1e1c59;--shadow:#1f1e1c1a;--err-bg:#faf1ef;--err-border:#e8cdc5;--err-text:#9a4a35}[data-theme=dark]{--bg:#1b1a18;--panel:#232220;--card:#2a2926;--hover:#34322e;--active:#3c3935;--border:#343230;--border2:#3c3935;--ink:#ece9e4;--inkOn:#1b1a18;--text2:#c4c0b9;--text3:#d5d1ca;--muted:#8f8a82;--faint:#6f6a63;--senddis:#4a4741;--scroll:#3c3935;--overlay:#0000008c;--shadow:#0006;--err-bg:#332420;--err-border:#54352c;--err-text:#d99a86}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe 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12px;display:flex}.logo-mark{background:var(--ink);width:28px;height:28px;color:var(--inkOn);letter-spacing:-.5px;border-radius:8px;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.sb-brand{min-width:0}.sb-brand-name{letter-spacing:-.2px;font-size:15px;font-weight:600}.sb-brand-sub{color:var(--muted);letter-spacing:.02em;margin-top:-1px;font-size:10.5px}.sb-top{flex-direction:column;gap:8px;padding:0 12px 8px;display:flex}.btn-new{border:1px solid var(--border2);background:var(--card);width:100%;color:var(--ink);border-radius:10px;align-items:center;gap:8px;padding:9px 12px;font-size:13.5px;font-weight:500;display:flex}.btn-new:hover{border-color:var(--muted)}.sb-search{background:var(--hover);border-radius:10px;align-items:center;gap:8px;padding:8px 12px;display:flex}.sb-search input{background:0 0;border:none;width:100%;font-size:13px}.sb-scroll{flex-direction:column;flex:1;gap:14px;padding:4px 12px 12px;display:flex;overflow-y:auto}.sb-heading{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;padding:6px 8px 4px;font-size:11px;font-weight:600}.sb-list{flex-direction:column;gap:1px;display:flex}.tpl-item{color:var(--text2);text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;width:100%;padding:7px 8px;font-size:13px;display:flex}.tpl-item:hover{background:var(--hover)}.tpl-icon{text-align:center;width:16px;color:var(--muted);flex:none;font-size:12px}.tpl-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.convo-wrap{position:relative}.convo-row{background:0 0;border-radius:8px;align-items:center;display:flex}.convo-row:hover{background:var(--hover)}.convo-row.active{background:var(--active)}.convo-title{min-width:0;color:var(--text3);text-align:left;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;flex:1;padding:7px 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8px}.quota-row{color:var(--muted);justify-content:space-between;margin-bottom:5px;font-size:11px;display:flex}.quota-row b{font-weight:600}.quota-track{background:var(--hover);border-radius:2px;height:4px;overflow:hidden}.quota-fill{background:var(--muted);border-radius:2px;height:100%}.profile{align-items:center;gap:8px;padding:8px 12px 12px;display:flex}.profile-info{flex:1;align-items:center;gap:10px;min-width:0;padding:4px;display:flex}.avatar-user{color:#3d382f;background:#c9beac;border-radius:50%;flex:none;justify-content:center;align-items:center;width:30px;height:30px;font-size:12px;font-weight:600;display:flex}.profile-name{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;overflow:hidden}.profile-mail{color:var(--muted);font-size:11px}.gear-btn{width:32px;height:32px;color:var(--muted);background:0 0;border:none;border-radius:8px;flex:none;justify-content:center;align-items:center;display:flex}.gear-btn:hover{background:var(--hover);color:var(--ink)}.main{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.hdr{border-bottom:1px solid var(--border);background:var(--bg);flex:none;justify-content:space-between;align-items:center;height:56px;padding:0 20px;display:flex}.model-wrap{position:relative}.model-btn{color:var(--ink);background:0 0;border:1px solid #0000;border-radius:10px;align-items:center;gap:8px;padding:7px 12px;font-size:13.5px;font-weight:500;display:flex}.model-btn:hover{background:var(--panel)}.dot{border-radius:50%;flex:none;width:7px;height:7px}.dropdown{background:var(--card);border:1px solid var(--border);width:300px;box-shadow:0 8px 30px var(--shadow);z-index:40;border-radius:14px;padding:6px;animation:.15s fadeUp;position:absolute;top:44px;left:0}.dd-title{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;padding:8px 10px 6px;font-size:11px;font-weight:600}.dd-scroll{flex-direction:column;gap:2px;max-height:420px;display:flex;overflow-y:auto}.dd-provider{color:var(--faint);text-transform:uppercase;letter-spacing:.07em;padding:7px 10px 3px;font-size:10.5px;font-weight:600}.dd-item{text-align:left;background:0 0;border:none;border-radius:10px;align-items:flex-start;gap:10px;width:100%;padding:8px 10px;display:flex}.dd-item:hover,.dd-item.active{background:var(--panel)}.dd-item .dot{margin-top:5px}.dd-text{min-width:0}.dd-name{color:var(--ink);font-size:13.5px;font-weight:500;display:block}.dd-desc{color:var(--muted);margin-top:1px;font-size:12px;display:block}.dd-check{flex:none;margin-top:3px;margin-left:auto}.hdr-right{align-items:center;gap:8px;display:flex}.theme-btn{border:1px solid var(--border2);background:var(--card);width:34px;height:34px;color:var(--text2);border-radius:10px;justify-content:center;align-items:center;display:flex}.theme-btn:hover{background:var(--panel)}.btn-share{border:1px solid var(--border2);background:var(--card);color:var(--text2);border-radius:10px;align-items:center;gap:7px;padding:7px 12px;font-size:13px;font-weight:500;display:flex}.btn-share:hover{background:var(--panel)}.seg{border:1px solid var(--border2);border-radius:10px;display:flex;overflow:hidden}.seg button{background:var(--card);color:var(--muted);border:none;padding:6px 11px;font-size:12px;font-weight:600}.seg button.active{background:var(--ink);color:var(--inkOn)}.share-pop{background:var(--card);border:1px solid var(--border);width:320px;box-shadow:0 8px 30px var(--shadow);z-index:40;border-radius:14px;padding:16px;animation:.15s fadeUp;position:absolute;top:60px;right:20px}.share-title{margin-bottom:4px;font-size:13.5px;font-weight:600}.share-desc{color:var(--muted);margin-bottom:12px;font-size:12.5px}.share-row{gap:8px;display:flex}.share-link{border:1px solid var(--border);color:var(--muted);white-space:nowrap;text-overflow:ellipsis;border-radius:8px;flex:1;padding:8px 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40px;display:flex}.empty-logo{background:var(--ink);width:52px;height:52px;color:var(--inkOn);letter-spacing:-1px;border-radius:16px;justify-content:center;align-items:center;margin-bottom:20px;font-size:22px;font-weight:700;display:flex}.empty-title{letter-spacing:-.4px;margin-bottom:8px;font-size:26px;font-weight:600}.empty-sub{color:var(--muted);max-width:420px;font-size:14.5px;line-height:1.5}.sugg-grid{grid-template-columns:1fr 1fr;gap:10px;width:100%;max-width:560px;margin-top:32px;display:grid}.sugg-card{border:1px solid var(--border);background:var(--card);color:var(--text2);text-align:left;border-radius:12px;padding:14px 16px;font-size:13px;line-height:1.4}.sugg-card:hover{border-color:var(--muted)}.thread{flex-direction:column;gap:24px;max-width:760px;margin:0 auto;padding:28px 24px 40px;display:flex}.msg{gap:14px;animation:.2s fadeUp;display:flex}.msg-avatar{flex:none;justify-content:center;align-items:center;width:30px;height:30px;margin-top:2px;font-size:11.5px;font-weight:600;display:flex}.msg-avatar.user{color:#3d382f;background:#c9beac;border-radius:50%}.msg-avatar.ai{background:var(--ink);color:var(--inkOn);border-radius:9px;font-weight:700}.msg-body{flex:1;min-width:0}.msg-author{color:var(--muted);margin-bottom:5px;font-size:12.5px;font-weight:600}.msg-text{color:var(--ink);white-space:pre-wrap;text-wrap:pretty;font-size:14.5px;line-height:1.65}.msg-attach{border:1px solid var(--border);background:var(--card);border-radius:10px;align-items:center;gap:8px;margin-top:10px;padding:8px 12px;display:inline-flex}.msg-attach span{color:var(--text2);font-size:12.5px;font-weight:500}.msg-actions{opacity:.55;align-items:center;gap:2px;margin-top:10px;display:flex}.msg-actions:hover{opacity:1}.act-btn{color:var(--muted);background:0 0;border:none;border-radius:7px;align-items:center;gap:5px;padding:5px 8px;font-size:11.5px;display:flex}.act-btn:hover{background:var(--panel);color:var(--ink)}.fb-btn{width:26px;height:26px;color:var(--muted);background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;display:flex}.fb-btn:hover{background:var(--panel)}.fb-btn.on{background:var(--active);color:var(--ink)}.typing{gap:14px;display:flex}.typing-text{color:var(--muted);padding-top:6px;font-size:14.5px;animation:1.4s infinite pulse}.composer-wrap{background:linear-gradient(transparent, var(--bg) 30%);flex:none;padding:0 24px 20px}.composer-inner{max-width:760px;margin:0 auto}.composer{background:var(--card);border:1px solid var(--border2);box-shadow:0 2px 12px var(--shadow);border-radius:16px;padding:12px 14px 10px}.chips{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.chip{border:1px solid var(--border);background:var(--panel);border-radius:9px;align-items:center;gap:7px;padding:6px 8px 6px 10px;animation:.15s fadeUp;display:inline-flex}.chip-name{color:var(--text2);white-space:nowrap;text-overflow:ellipsis;max-width:180px;font-size:12px;font-weight:500;overflow:hidden}.chip-x{width:16px;height:16px;color:var(--faint);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:0;font-size:13px;line-height:1;display:flex}.chip-x:hover{color:var(--ink)}.composer textarea{resize:none;background:0 0;border:none;width:100%;font-size:14.5px;line-height:1.5}.composer-bar{align-items:center;gap:6px;margin-top:6px;display:flex}.attach-btn{width:32px;height:32px;color:var(--muted);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:flex}.attach-btn:hover{background:var(--panel);color:var(--ink)}.composer-spacer{flex:1}.enter-hint{color:var(--faint);font-size:11.5px}.btn-send{background:var(--senddis);width:34px;height:34px;color:var(--inkOn);border:none;border-radius:10px;justify-content:center;align-items:center;display:flex}.btn-send.ready{background:var(--ink)}.btn-send:hover{opacity:.85}.btn-stop{border:1px solid var(--border2);background:var(--card);height:34px;color:var(--ink);border-radius:10px;align-items:center;gap:7px;padding:0 13px;font-size:12.5px;font-weight:600;display:flex}.btn-stop:hover{background:var(--panel)}.stop-square{background:var(--ink);border-radius:2px;width:9px;height:9px}.disclaimer{text-align:center;color:var(--faint);margin-top:10px;font-size:11.5px}.overlay{background:var(--overlay);z-index:100;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{background:var(--card);border:1px solid var(--border);width:480px;max-width:100%;max-height:90vh;box-shadow:0 20px 60px var(--shadow);border-radius:18px;animation:.18s fadeUp;overflow-y:auto}.modal-head{justify-content:space-between;align-items:center;padding:18px 22px 0;display:flex}.modal-title{font-size:16px;font-weight:600}.modal-x{width:28px;height:28px;color:var(--muted);background:0 0;border:none;border-radius:8px;font-size:16px;line-height:1}.modal-x:hover{background:var(--panel);color:var(--ink)}.modal-body{flex-direction:column;gap:20px;padding:18px 22px 22px;display:flex}.field{flex-direction:column;gap:7px;display:flex}.field-label{font-size:13px;font-weight:600}.field-desc{color:var(--muted);margin-top:-4px;font-size:12px}.field select{border:1px solid var(--border2);background:var(--card);cursor:pointer;border-radius:10px;width:100%;padding:9px 12px;font-size:13.5px}.field textarea{border:1px solid var(--border2);background:var(--card);resize:vertical;border-radius:10px;width:100%;padding:10px 12px;font-size:13px;line-height:1.5}.row-between{justify-content:space-between;align-items:center;display:flex}.switch{background:var(--senddis);border:none;border-radius:12px;width:40px;height:23px;padding:0;transition:background .15s;position:relative}.switch.on{background:#6b8f6f}.switch-knob{background:#fff;border-radius:50%;width:18px;height:18px;transition:left .15s;position:absolute;top:2.5px;left:2.5px;box-shadow:0 1px 3px #00000040}.switch.on .switch-knob{left:19.5px}.modal-sep{border-top:1px solid var(--border);flex-direction:column;gap:10px;padding-top:18px;display:flex}.retention{color:var(--muted);font-size:12.5px;line-height:1.5}.btn-danger{border:1px solid var(--err-border);color:var(--err-text);background:0 0;border-radius:9px;align-self:flex-start;padding:8px 14px;font-size:12.5px;font-weight:600}.btn-danger:hover{background:var(--err-bg)}.btn-save{background:var(--ink);color:var(--inkOn);border:none;border-radius:10px;align-self:flex-end;padding:9px 18px;font-size:13px;font-weight:600}.btn-save:hover{opacity:.85}.login-wrap{background:var(--bg);justify-content:center;align-items:center;height:100vh;padding:24px;display:flex}.login-card{width:100%;max-width:380px}.login-logo-row{text-align:center;flex-direction:column;align-items:center;margin-bottom:28px;display:flex}.login-title{margin-top:12px;font-size:18px;font-weight:600}.login-sub{color:var(--muted);margin-top:4px;font-size:13px}.login-panel{background:var(--card);border:1px solid var(--border);box-shadow:0 2px 12px var(--shadow);border-radius:16px;padding:22px}.login-field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.login-field label{color:var(--text2);font-size:12.5px;font-weight:500}.login-field input{border:1px solid var(--border2);background:var(--bg);color:var(--ink);border-radius:10px;padding:9px 12px;font-size:13.5px}.login-field input:focus{border-color:var(--muted)}.btn-primary-full{background:var(--ink);width:100%;color:var(--inkOn);border:none;border-radius:10px;padding:10px;font-size:13.5px;font-weight:600}.btn-primary-full:disabled{background:var(--senddis);cursor:not-allowed}.btn-primary-full:not(:disabled):hover{opacity:.85}.sso-btn{border:1px solid var(--border2);background:var(--card);width:100%;color:var(--ink);border-radius:10px;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;padding:9px;font-size:13px;font-weight:500;text-decoration:none;display:flex}.sso-btn:hover{background:var(--panel)}.login-divider{color:var(--faint);align-items:center;gap:10px;margin:14px 0;font-size:11.5px;display:flex}.login-divider:before,.login-divider:after{content:"";background:var(--border);flex:1;height:1px}.login-error{color:var(--err-text);margin-bottom:10px;font-size:12px}.login-link-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px}.login-link-btn:hover{color:var(--ink)}.twofa-setup{flex-direction:column;gap:10px;display:flex}.twofa-qr{border:1px solid var(--border);background:#fff;border-radius:10px;align-self:center;padding:8px}.twofa-secret{color:var(--muted);letter-spacing:.04em;word-break:break-all;text-align:center;align-self:center;font-family:ui-monospace,monospace;font-size:12px}.twofa-actions{justify-content:flex-end;align-items:center;gap:14px;display:flex}