:root{--bg:#f6f7fb;--surface:#fff;--border:#e3e6ee;--text:#17203a;--text-muted:#6b7490;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#eef0ff;--danger:#dc2626;--success:#16a34a;--radius:10px;--shadow:0 1px 3px #17203a14, 0 4px 16px #17203a0d;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:1.4rem}h2{font-size:1.1rem}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius);font-size:14px;font-weight:600;font-family:var(--font);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding:8px 16px;transition:background .15s,border-color .15s;display:inline-flex}.btn:hover{border-color:var(--accent)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-danger{color:var(--danger)}.btn-danger:hover{border-color:var(--danger)}.btn-sm{padding:5px 10px;font-size:13px}input,textarea,select{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;color:var(--text);font-size:14px;font-family:var(--font);padding:9px 12px}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}textarea{resize:vertical;min-height:70px}label{color:var(--text-muted);margin-bottom:12px;font-size:13px;font-weight:600;display:block}label>input,label>textarea,label>select{margin-top:5px}.input-hint{margin-top:3px;font-size:12px;font-weight:400;display:block}.form-error{color:var(--danger);margin-bottom:12px;font-size:13px}.form-success{color:var(--success);margin-bottom:12px;font-size:13px}.lang-select{cursor:pointer;width:auto;padding:6px 10px;font-size:14px}.auth-page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex;position:relative}.auth-lang{position:absolute;top:20px;right:24px}.auth-card{background:var(--surface);border:1px solid var(--border);width:100%;max-width:400px;box-shadow:var(--shadow);border-radius:16px;padding:36px}.auth-brand{margin-bottom:4px;font-size:1.25rem;font-weight:800}.auth-tagline{color:var(--text-muted);margin-bottom:24px;font-size:13px}.auth-card h1{margin-bottom:18px}.auth-card .btn{width:100%;margin-top:6px}.auth-switch{color:var(--text-muted);margin-top:18px;font-size:13px}.app-header{background:var(--surface);border-bottom:1px solid var(--border);z-index:20;align-items:center;gap:16px;padding:10px 24px;display:flex;position:sticky;top:0}.app-header .brand{color:var(--text);font-size:1.05rem;font-weight:800}.app-header .spacer{flex:1}.app-main{max-width:1100px;margin:0 auto;padding:28px 24px 60px}.page-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.bot-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.bot-card h2{margin-bottom:2px}.bot-card .bot-meta{color:var(--text-muted);margin-bottom:14px;font-size:13px}.bot-card .bot-links{flex-wrap:wrap;gap:8px;display:flex}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state h2{color:var(--text);margin-bottom:6px}.progress-track{background:var(--accent-soft);border-radius:4px;height:7px;overflow:hidden}.progress-fill{background:var(--accent);border-radius:4px;height:100%;transition:width .4s}.progress-label{color:var(--text-muted);justify-content:space-between;margin-bottom:5px;font-size:12px;display:flex}.split-page{flex-direction:column;height:calc(100vh - 53px);display:flex}.split-toolbar{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:14px;padding:10px 20px;display:flex}.split-toolbar .grow{flex:1;min-width:180px}.split-columns{flex:1;grid-template-columns:1fr 1fr;min-height:0;display:grid}.split-col{flex-direction:column;min-width:0;min-height:0;display:flex}.split-col+.split-col{border-left:1px solid var(--border)}.split-col-head{border-bottom:1px solid var(--border);background:var(--surface);padding:12px 18px 10px}.split-col-head h2{font-size:.95rem}.split-col-head p{color:var(--text-muted);font-size:12px}@media (max-width:900px){.split-columns{grid-template-rows:1fr 1fr;grid-template-columns:1fr}.split-col+.split-col{border-left:none;border-top:1px solid var(--border)}}.chat-panel{flex-direction:column;flex:1;min-height:0;display:flex}.chat-scroll{flex-direction:column;flex:1;gap:10px;padding:18px;display:flex;overflow-y:auto}.chat-msg{white-space:pre-wrap;overflow-wrap:break-word;border-radius:14px;max-width:82%;padding:10px 14px;font-size:14px}.chat-msg-user{background:var(--accent);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-msg-assistant{background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start}.chat-status{color:var(--text-muted);background:var(--accent-soft);border-radius:999px;align-self:flex-start;align-items:center;gap:8px;padding:4px 10px;font-size:12.5px;display:inline-flex}.chat-input-row{border-top:1px solid var(--border);background:var(--surface);gap:8px;padding:12px 16px;display:flex}.chat-input-row textarea{min-height:42px;max-height:140px}.typing-dot{background:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.2s infinite both blink;display:inline-block}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.preview-frame{background:#fff;border:0;flex:1;width:100%;min-height:0}.task-panel{border-bottom:1px solid var(--border);background:var(--surface);padding:10px 18px}.task-panel summary{cursor:pointer;color:var(--text-muted);align-items:center;gap:10px;font-size:13px;font-weight:600;list-style:none;display:flex}.task-panel summary::-webkit-details-marker{display:none}.task-list{flex-direction:column;gap:4px;max-height:180px;margin-top:10px;display:flex;overflow-y:auto}.task-item{align-items:baseline;gap:8px;font-size:13px;display:flex}.task-item.done{color:var(--text-muted);text-decoration:line-through}.badge{background:var(--accent-soft);color:var(--accent);border-radius:999px;align-items:center;gap:5px;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-success{color:var(--success);background:#e8f7ee}.badge-muted{background:var(--bg);color:var(--text-muted)}.flash-badge{animation:.3s flashIn}@keyframes flashIn{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.snippet-box{font-family:var(--mono);color:#d6e0ff;border-radius:var(--radius);white-space:pre-wrap;word-break:break-all;background:#10162b;padding:16px;font-size:13px;overflow-x:auto}.knowledge-list{flex-direction:column;gap:12px;display:flex}.knowledge-item .k-head{align-items:center;gap:10px;margin-bottom:6px;display:flex}.knowledge-item .k-head h2{flex:1;font-size:1rem}.knowledge-item .k-content{color:var(--text);white-space:pre-wrap;font-size:14px}.knowledge-item .k-keywords{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.form-grid{grid-template-columns:1fr 1fr;gap:0 20px;display:grid}.form-grid .full{grid-column:1/-1}@media (max-width:700px){.form-grid{grid-template-columns:1fr}}.section-title{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:22px 0 12px;font-size:13px;font-weight:700}.section-title:first-child{margin-top:0}