:root{--bg: #0f1117;--bg-elev: #171a23;--bg-elev2: #1e222d;--border: #2a2f3a;--border-strong: #3a4150;--text: #e6e9ef;--text-dim: #a2abbd;--text-faint: #6b7488;--accent: #6c8cff;--accent-dim: #3a4a80;--green: #46c98b;--amber: #e2b23e;--red: #e5686a;--purple: #b07cff;--cyan: #4fc4d6;--radius: 10px;--radius-sm: 7px;--shadow: 0 6px 24px rgba(0, 0, 0, .35);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;min-height:100vh}.sidebar{width:232px;flex-shrink:0;background:var(--bg-elev);border-right:1px solid var(--border);padding:18px 12px;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px}.brand-logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--purple));display:grid;place-items:center;font-weight:800;color:#fff;font-size:15px}.brand-title{font-weight:700;font-size:14px;letter-spacing:.2px}.brand-sub{font-size:11px;color:var(--text-faint)}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;margin:2px 0;border-radius:var(--radius-sm);color:var(--text-dim);cursor:pointer;font-size:13.5px;font-weight:500;border:1px solid transparent;-webkit-user-select:none;user-select:none}.nav-item:hover{background:var(--bg-elev2);color:var(--text)}.nav-item.active{background:var(--accent-dim);color:#fff;border-color:var(--border-strong)}.nav-icon{width:18px;text-align:center}.nav-section{font-size:10.5px;text-transform:uppercase;letter-spacing:1px;color:var(--text-faint);padding:14px 12px 5px}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;border-bottom:1px solid var(--border);background:var(--bg-elev);position:sticky;top:0;z-index:5}.topbar h1{font-size:17px;margin:0;font-weight:650}.topbar-sub{font-size:12px;color:var(--text-faint);margin-top:2px}.content{padding:24px 28px 60px;max-width:1120px;width:100%}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.card-title{font-size:14.5px;font-weight:650;margin:0;display:flex;align-items:center;gap:8px}.card-desc{font-size:12.5px;color:var(--text-faint);margin:2px 0 0}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}@media (max-width: 900px){.grid-2,.grid-3{grid-template-columns:1fr}}.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600;background:var(--bg-elev2);color:var(--text-dim);border:1px solid var(--border);white-space:nowrap}.badge.green{background:#46c98b24;color:var(--green);border-color:#46c98b4d}.badge.amber{background:#e2b23e24;color:var(--amber);border-color:#e2b23e4d}.badge.red{background:#e5686a24;color:var(--red);border-color:#e5686a4d}.badge.blue{background:#6c8cff24;color:var(--accent);border-color:#6c8cff4d}.badge.purple{background:#b07cff24;color:var(--purple);border-color:#b07cff4d}.badge.gray{background:var(--bg-elev2);color:var(--text-faint)}.btn{display:inline-flex;align-items:center;gap:7px;justify-content:center;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-elev2);color:var(--text);font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .12s,border-color .12s}.btn:hover:not(:disabled){background:var(--border)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:#5a7cf5}.btn.ghost{background:transparent}.btn.danger{color:var(--red);border-color:#e5686a66}.btn.sm{padding:5px 10px;font-size:12px}label{display:block;font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:5px}input,textarea,select{width:100%;padding:9px 11px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg);color:var(--text);font-size:13px;font-family:inherit;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:72px}.field{margin-bottom:14px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:160px}.muted{color:var(--text-faint)}.dim{color:var(--text-dim)}.mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12px}.hr{height:1px;background:var(--border);margin:14px 0;border:0}.stack>*+*{margin-top:10px}.empty{text-align:center;padding:32px;color:var(--text-faint);font-size:13px}.list-item{padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elev2);margin-bottom:8px}.kv{display:flex;gap:8px;font-size:12.5px;margin:3px 0}.kv .k{color:var(--text-faint);min-width:130px}.kv .v{color:var(--text);flex:1}.tag-list{display:flex;flex-wrap:wrap;gap:6px}.spinner{display:inline-block;width:15px;height:15px;border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress{display:flex;align-items:center;gap:12px;margin:9px 0}.progress-label{width:210px;font-size:12.5px;color:var(--text-dim)}.progress-track{flex:1;height:8px;background:var(--bg-elev2);border-radius:6px;overflow:hidden}.progress-fill{height:100%;border-radius:6px;transition:width .4s ease}.progress-val{width:44px;text-align:right;font-size:12px;font-weight:700}.spine{display:flex;flex-direction:column;gap:0}.spine-stage{display:flex;gap:12px;padding:10px 0;position:relative}.spine-dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--border-strong);background:var(--bg);flex-shrink:0;display:grid;place-items:center;font-size:11px;z-index:2}.spine-stage.done .spine-dot{background:var(--green);border-color:var(--green);color:#04140c}.spine-line{position:absolute;left:10px;top:26px;bottom:-6px;width:2px;background:var(--border);z-index:1}.spine-body{flex:1}.spine-name{font-size:13px;font-weight:600}.spine-content{font-size:12.5px;color:var(--text-dim);margin-top:2px}.callout{border-radius:var(--radius-sm);padding:12px 14px;font-size:12.5px;border:1px solid var(--border);margin-bottom:12px}.callout.info{background:#6c8cff14;border-color:#6c8cff40}.callout.warn{background:#e2b23e14;border-color:#e2b23e40}.callout.ok{background:#46c98b14;border-color:#46c98b40}.callout.title{font-weight:700;margin-bottom:4px;color:var(--text)}.onboard-wrap{max-width:640px;margin:6vh auto}.onboard-hero{text-align:center;margin-bottom:28px}.onboard-hero h1{font-size:26px;margin:12px 0 6px}.onboard-hero p{color:var(--text-dim);font-size:14px;margin:0}.toast{position:fixed;bottom:22px;right:22px;background:var(--bg-elev2);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:12px 16px;box-shadow:var(--shadow);z-index:50;max-width:380px;font-size:13px}.toast.error{border-color:#e5686a80}.toast.ok{border-color:#46c98b80}.lang-toggle{display:inline-flex;border:1px solid var(--border-strong);border-radius:20px;overflow:hidden;font-size:12px;font-weight:600;-webkit-user-select:none;user-select:none}.lang-toggle span{padding:4px 12px;cursor:pointer;color:var(--text-dim)}.lang-toggle span.active{background:var(--accent);color:#fff}.lang-toggle span:hover:not(.active){background:var(--bg-elev2);color:var(--text)}.ws{display:grid;grid-template-columns:256px 1fr 320px;height:calc(100vh - 53px);position:relative}.ws-left,.ws-right{background:var(--bg-elev);overflow-y:auto;padding:16px 12px}.ws-left{border-right:1px solid var(--border)}.ws-right{border-left:1px solid var(--border)}.ws-center{display:flex;flex-direction:column;min-width:0;height:calc(100vh - 53px)}.ws-pane-title{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-faint);margin-bottom:10px;font-weight:700}.ws-thread{padding:10px 11px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-elev2);margin-bottom:8px;cursor:pointer}.ws-thread:hover{border-color:var(--border-strong)}.ws-thread.active{border-color:var(--accent);background:var(--accent-dim)}.ws-thread-name{font-size:13px;font-weight:600;line-height:1.35}.ws-chat-scroll{flex:1;overflow-y:auto;padding:24px 28px}.ws-intake{display:flex;flex-direction:column;align-items:center;text-align:center;margin-top:12vh}.ws-msg{display:flex;flex-direction:column;margin-bottom:14px}.ws-msg.user{align-items:flex-end}.ws-msg.assistant{align-items:flex-start}.ws-bubble{max-width:76%;padding:10px 14px;border-radius:12px;font-size:13.5px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.ws-msg.user .ws-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:3px}.ws-msg.assistant .ws-bubble{background:var(--bg-elev2);border:1px solid var(--border);border-bottom-left-radius:3px}.ws-composer{display:flex;gap:8px;align-items:flex-end;padding:14px 20px;border-top:1px solid var(--border);background:var(--bg-elev)}.ws-composer textarea{flex:1;resize:none;min-height:40px;max-height:160px}.ws-dropzone{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;background:#6c8cff1f;border:2px dashed var(--accent);display:grid;place-items:center;font-size:18px;font-weight:700;color:var(--accent);pointer-events:none}.ws-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:60;display:grid;place-items:center;padding:24px}.ws-modal{background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:var(--radius);padding:20px 22px;max-width:680px;width:100%;max-height:84vh;overflow-y:auto;box-shadow:var(--shadow)}.ws-topbar{height:52px;border-bottom:1px solid var(--border);background:var(--bg-elev);display:flex;align-items:center;justify-content:space-between;padding:0 18px}.ws-topbar .brand-title{font-size:14px;font-weight:700}@media (max-width: 980px){.ws{grid-template-columns:1fr}.ws-left,.ws-right{display:none}}