:root{--bg: #eef1f7;--card: #ffffff;--ink: #1e2433;--ink-2: #5b6478;--ink-3: #98a1b3;--line: #e4e8f0;--brand: #5b5bd6;--brand-2: #8b5cf6;--brand-grad: linear-gradient(135deg, #5b5bd6 0%, #8b5cf6 100%);--ok: #0e9f6e;--bad: #e02424;--warn: #b45309;--sidebar: #12151f;--radius: 14px;--shadow: 0 2px 10px rgba(23, 28, 48, .07), 0 1px 3px rgba(23, 28, 48, .05)}*{box-sizing:border-box;margin:0}html,body,#app{height:100%}body{font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#cdd3e0;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#b6bdcd}::-webkit-scrollbar-track{background:transparent}.auth-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1100px 500px at 20% -10%,#c7d2fe55,transparent),radial-gradient(900px 500px at 90% 110%,#ddd6fe55,transparent),linear-gradient(160deg,#eef1f7,#e6e9f2);padding:20px}.auth-card{width:380px;background:#ffffffd9;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7);border-radius:20px;padding:36px 34px 30px;box-shadow:0 20px 50px #1e243c24;text-align:center}.auth-logo{width:58px;height:58px;margin:0 auto 14px;border-radius:16px;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px #5b5bd659}.auth-logo svg{width:30px;height:30px}.auth-card h1{font-size:22px;letter-spacing:.5px}.auth-sub{color:var(--ink-2);font-size:13px;margin:6px 0 22px}.auth-tabs{display:flex;background:#e9ecf3;border-radius:10px;padding:4px;margin-bottom:20px}.auth-tabs button{flex:1;border:none;background:transparent;padding:8px;border-radius:8px;font-size:14px;cursor:pointer;color:var(--ink-2);transition:all .18s}.auth-tabs button.on{background:#fff;color:var(--brand);font-weight:600;box-shadow:0 1px 4px #00000017}.auth-card form{text-align:left}.auth-card label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin:12px 0 6px}.auth-card input{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:14px;background:#fff;transition:border-color .15s,box-shadow .15s}.auth-card input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #5b5bd624}.auth-btn{margin-top:20px;width:100%;padding:12px;border:none;border-radius:10px;background:var(--brand-grad);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:transform .12s,box-shadow .15s,opacity .15s;box-shadow:0 6px 16px #5b5bd64d}.auth-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 9px 22px #5b5bd661}.auth-btn:disabled{opacity:.6;cursor:not-allowed}.auth-error{margin-top:14px;font-size:13px;color:var(--bad);background:#fef2f2;border:1px solid #fecaca;padding:9px 12px;border-radius:9px}.shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:264px;background:var(--sidebar);color:#cbd3e1;display:flex;flex-direction:column;transition:width .2s ease;flex-shrink:0}.sidebar.collapsed{width:64px}.brand{display:flex;align-items:center;gap:10px;padding:18px 14px 14px;color:#fff;font-weight:700;font-size:16px;letter-spacing:.4px}.brand-icon{width:26px;height:26px;color:#a5b4fc}.burger{background:transparent;border:none;color:#8b93a7;cursor:pointer;padding:4px;border-radius:7px;display:flex}.burger:hover{color:#fff;background:#ffffff14}.burger svg{width:19px;height:19px}.new-chat{margin:4px 12px 14px;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border:none;border-radius:10px;background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:box-shadow .15s,transform .12s;box-shadow:0 5px 14px #5b5bd659}.new-chat:hover{transform:translateY(-1px);box-shadow:0 8px 18px #5b5bd673}.new-chat svg{width:16px;height:16px}.sidebar.collapsed .new-chat{padding:10px 0}.history-head{padding:4px 20px 8px;font-size:11px;letter-spacing:2px;color:#6b7386;text-transform:uppercase}.history{flex:1;overflow-y:auto;padding:0 10px 10px;display:flex;flex-direction:column;gap:4px}.history::-webkit-scrollbar-thumb{background:#2c3242}.history-empty{color:#5f6779;font-size:12px;text-align:center;line-height:1.9;padding:30px 10px}.his-item{border-radius:10px;padding:9px 10px;cursor:pointer;transition:background .13s;position:relative}.his-item:hover{background:#ffffff0f}.his-item.active{background:#6366f138;box-shadow:inset 2px 0 #818cf8}.his-row{display:flex;align-items:center;gap:6px}.his-title{flex:1;font-size:13px;color:#dde3ee;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.his-item.active .his-title{color:#fff}.his-badge{font-size:10px;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.his-badge.pass{background:#10b9812e;color:#34d399}.his-badge.fail{background:#e024242e;color:#f87171}.his-del{display:none;background:transparent;border:none;color:#8b93a7;cursor:pointer;padding:2px;border-radius:5px}.his-item:hover .his-del{display:flex}.his-del:hover{color:#f87171;background:#f871711f}.his-del svg{width:13px;height:13px}.his-meta{margin-top:3px;font-size:11px;color:#6b7386;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.me{display:flex;align-items:center;gap:10px;padding:14px 16px;border-top:1px solid rgba(255,255,255,.07)}.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-grad);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.me-name{flex:1;font-size:13px;color:#dde3ee;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout{background:transparent;border:none;color:#8b93a7;cursor:pointer;padding:6px;border-radius:8px;display:flex}.logout:hover{color:#f87171;background:#f871711a}.logout svg{width:17px;height:17px}.content{flex:1;overflow-y:auto;padding:22px;position:relative;min-width:0}.panel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(228,232,240,.7)}.panel-title{font-weight:700;font-size:14px;padding:16px 18px 12px}.panel-title.row{display:flex;align-items:center;gap:10px}.panel-title .hint{font-weight:400;font-size:12px;color:var(--ink-3)}.panel-title .spacer{flex:1}.field{width:100%;padding:9px 11px;border:1.5px solid var(--line);border-radius:9px;font-size:14px;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #5b5bd621}.field.mini{width:172px;padding:6px 9px;font-size:12px}label{font-weight:600;font-size:13px;color:var(--ink-2);display:block}textarea{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:9px;font-size:14px;resize:none;font-family:inherit;background:#fff;transition:border-color .15s,box-shadow .15s}textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #5b5bd621}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:10px;background:var(--brand-grad);color:#fff;font-size:15px;font-weight:600;cursor:pointer;padding:11px 18px;transition:transform .12s,box-shadow .15s,opacity .15s;box-shadow:0 6px 16px #5b5bd647}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 9px 20px #5b5bd65c}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-primary svg{width:15px;height:15px}.mini-btn{padding:5px 11px;font-size:12px;background:#fff;border:1px solid var(--line);border-radius:7px;cursor:pointer;color:var(--ink-2);transition:all .14s}.mini-btn:hover{border-color:#c7cdd9;background:#f8f9fc;color:var(--ink)}.spin{width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:rot .8s linear infinite}@keyframes rot{to{transform:rotate(360deg)}}.cursor{display:inline-block;animation:blink 1s step-start infinite;color:var(--brand)}@keyframes blink{50%{opacity:0}}.welcome{display:grid;grid-template-columns:minmax(360px,460px) 1fr;gap:20px;max-width:1200px;margin:4vh auto 0;align-items:start}@media (max-width: 1080px){.welcome{grid-template-columns:1fr}}.welcome-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(228,232,240,.7);padding:28px}.welcome-card h2{font-size:20px;margin-bottom:6px}.welcome-sub{color:var(--ink-2);font-size:13px;line-height:1.7;margin-bottom:18px}.welcome-card label{margin:16px 0 7px}.model-desc{margin-top:6px;font-size:12px;color:var(--ink-3);line-height:1.6}.drop{position:relative;margin-top:4px;border:2px dashed #cdd4e0;border-radius:12px;min-height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;cursor:pointer;transition:all .18s;background:#fafbfe;color:var(--ink-2)}.drop:hover,.drop.over{border-color:var(--brand);background:#f2f3fe}.drop.has{border-style:solid;border-color:var(--line);background:#fff;padding:10px}.drop img{max-width:100%;max-height:240px;object-fit:contain;display:block}.drop-icon{width:34px;height:34px;color:#a5b4fc}.drop strong{font-size:14px;color:var(--ink)}.drop span{font-size:12px;color:var(--ink-3)}.remove{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:50%;border:none;background:#1118278c;color:#fff;font-size:15px;cursor:pointer}.welcome-card .btn-primary{margin-top:20px;width:100%}.process-panel{min-height:300px;display:flex;flex-direction:column;overflow:hidden}.process-panel .panel-title{flex-shrink:0}.workbench{display:grid;grid-template-columns:minmax(380px,480px) 1fr;gap:20px;height:calc(100vh - 44px)}@media (max-width: 1080px){.workbench{grid-template-columns:1fr;height:auto}.preview-panel{min-height:560px}}.chat-panel{display:flex;flex-direction:column;min-height:0;overflow:hidden}.thumb{width:44px;height:44px;object-fit:cover;border-radius:9px;border:1px solid var(--line);cursor:pointer}.work-meta{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.work-meta b{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.work-meta span{font-size:12px;color:var(--ink-3)}.full-img{display:block;width:calc(100% - 36px);margin:0 18px 10px;max-height:280px;object-fit:contain;border:1px solid var(--line);border-radius:10px}.chat{flex:1;overflow-y:auto;padding:6px 18px;display:flex;flex-direction:column;gap:12px}.msg{display:flex}.msg.user{justify-content:flex-end}.bubble{max-width:88%;border-radius:13px;padding:9px 13px;font-size:13.5px;line-height:1.65;box-shadow:0 1px 2px #171c300d}.msg.user .bubble{background:var(--brand-grad);color:#fff;border-bottom-right-radius:4px}.msg.assistant .bubble{background:#f4f6fa;border:1px solid var(--line);border-bottom-left-radius:4px}.who{font-size:11px;opacity:.62;margin-bottom:3px}.msg-text{white-space:pre-wrap;word-break:break-word;font-family:inherit}.rv{margin-top:7px;font-size:12px;font-weight:700}.rv.pass{color:var(--ok)}.rv.fail{color:var(--bad)}.typing{font-size:13px;color:var(--brand)}.composer{display:flex;gap:10px;align-items:flex-end;padding:14px 18px 16px;border-top:1px solid var(--line)}.composer textarea{flex:1}.send{margin:0;padding:11px 14px;width:52px;height:44px}.preview-panel{display:flex;flex-direction:column;min-height:0;overflow:hidden}.preview{flex:1;width:100%;border:none;border-radius:0 0 var(--radius) var(--radius);background:#fff;min-height:320px}.empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:14px;background:repeating-linear-gradient(45deg,#fafbfe 0,#fafbfe 12px,#fff 12px,#fff 24px);border-radius:0 0 var(--radius) var(--radius)}.log{flex:1;overflow:auto;background:#0e1424;padding:14px;font-size:12px;line-height:1.65;color:#cbd5e1;min-height:0}.log::-webkit-scrollbar-thumb{background:#2c3446}.log-empty{color:#64748b}.log pre{white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.log .seg-text{color:#e2e8f0}.log details.think{margin:7px 0;border:1px solid #2b3446;border-radius:8px;overflow:hidden}.log details.think summary{cursor:pointer;padding:5px 10px;background:#182034;color:#94a3b8;font-size:12px;-webkit-user-select:none;user-select:none}.log details.think summary:hover{color:#c7d2fe}.log details.think pre{max-height:210px;overflow:auto;padding:9px 11px;color:#8b98b4}.wrap-log{border-radius:0 0 var(--radius) var(--radius)}.check{margin:0 18px 16px;font-size:13px;border-top:1px solid var(--line);padding-top:12px;max-height:230px;overflow:auto}.check h3{font-size:14px;margin-bottom:7px;display:flex;align-items:center;gap:8px}.check .pass{color:var(--ok)}.check .fail{color:var(--bad)}.check .revised{color:var(--warn);font-weight:400;font-size:12px}.check ul{padding-left:18px;color:var(--ink-2);line-height:1.8}.check .suggestions li{color:var(--ink-3)}.error-float{position:fixed;bottom:24px;left:50%;transform:translate(-50%);max-width:640px;background:#fff1f2;color:#9f1d1d;border:1px solid #fecdd3;padding:11px 16px;border-radius:11px;font-size:13px;box-shadow:0 8px 24px #9f1d1d29;cursor:pointer;white-space:pre-wrap;display:flex;gap:12px;align-items:flex-start;z-index:50}.error-float .x{font-size:16px;line-height:1}