:root{--bg: #0f1117;--surface: #171a23;--surface-high: #1f2430;--border: #2a3142;--text: #e8eaf0;--text-dim: #9aa3b5;--primary: #4f8cff;--secondary: #8b93a7;--danger: #e5534b;--success: #3fb950;--warning: #d29922}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}.input:focus{outline:none;border-color:var(--primary)}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:8px;border:1px solid transparent;font-size:13px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--surface-high);color:var(--text);border-color:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:340px;padding:28px;border-radius:14px;background:var(--surface);border:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.login-title{margin:0;font-size:22px}.login-subtitle{margin:0 0 8px;font-size:12px;color:var(--text-dim)}.login-submit{justify-content:center}.session-notice{margin:0;padding:10px 16px;background:#d2992226;color:var(--warning);font-size:13px;text-align:center}.chat-page{display:flex;flex-direction:column;height:100vh}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--border)}.chat-title{font-weight:700;margin-right:10px}.chat-subtitle{font-size:12px;color:var(--text-dim)}.chat-header-actions{display:flex;gap:8px}.chat-main{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:10px}.chat-empty{color:var(--text-dim);font-style:italic;text-align:center;margin-top:40px}.message{max-width:70%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;word-break:break-word}.message-user{align-self:flex-end;background:var(--primary);color:#fff;white-space:pre-wrap}.message-agent{align-self:flex-start;background:var(--surface-high)}.progress-batch{align-self:flex-start;display:flex;flex-direction:column;gap:4px}.progress-tick{font-size:12px;color:var(--text-dim);font-family:ui-monospace,monospace}.chat-typing{color:var(--text-dim);font-size:13px;font-style:italic}.hitl-result{color:var(--success);font-size:13px}.chat-input-row{display:flex;gap:10px;padding:14px 18px;background:var(--surface);border-top:1px solid var(--border)}.chat-input{flex:1}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:50}.modal-card{width:420px;padding:20px;border-radius:14px;background:var(--surface);border:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.modal-title{display:flex;align-items:center;gap:8px;font-weight:700}.modal-body{margin:0;font-size:14px}.modal-warning{margin:0;font-size:13px;color:var(--warning)}.modal-typed{display:flex;flex-direction:column;gap:8px}.modal-hint{margin:0;font-size:12px;color:var(--text-dim);font-family:ui-monospace,monospace}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.feedback-widget{align-self:flex-start;margin-top:6px;padding:12px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--border);width:100%;max-width:480px}.feedback-title{margin:0 0 8px;font-size:13px;color:var(--text-dim)}.feedback-ratings{display:flex;gap:8px}.feedback-form{display:flex;flex-direction:column;gap:8px;margin-top:10px}.feedback-success{color:var(--success);font-size:13px}.feedback-error{margin:0;font-size:13px;color:var(--danger)}.md-body{width:100%;font-size:14px;line-height:1.65;color:inherit}.md-body>*:first-child{margin-top:0}.md-body>*:last-child{margin-bottom:0}.md-body p{margin:0 0 .75em}.md-body h1,.md-body h2,.md-body h3,.md-body h4{margin:1em 0 .4em;font-weight:700;line-height:1.3;color:var(--text)}.md-body h1{font-size:1.25em;border-bottom:1px solid var(--border);padding-bottom:.2em}.md-body h2{font-size:1.1em}.md-body h3{font-size:1em}.md-body h4{font-size:.95em;color:var(--text-dim)}.md-body ul,.md-body ol{margin:0 0 .75em;padding-left:1.5em}.md-body li{margin:.2em 0}.md-body li>p{margin:0}.md-body input[type=checkbox]{accent-color:var(--primary);margin-right:.4em;vertical-align:middle}.md-body code{font-family:ui-monospace,Cascadia Code,Fira Code,monospace;font-size:.87em;background:#ffffff12;border:1px solid var(--border);border-radius:4px;padding:.1em .4em;color:#e2c08d}.md-body pre{margin:.75em 0;padding:12px 14px;border-radius:8px;background:#00000059;border:1px solid var(--border);overflow-x:auto}.md-body pre code{background:none;border:none;padding:0;font-size:.85em;color:#c9d1d9;white-space:pre}.md-body blockquote{margin:.75em 0;padding:8px 14px;border-left:3px solid var(--primary);background:#4f8cff0f;border-radius:0 6px 6px 0;color:var(--text-dim)}.md-body blockquote p{margin:0}.md-body hr{border:none;border-top:1px solid var(--border);margin:1em 0}.md-body strong{font-weight:700;color:var(--text)}.md-body em{font-style:italic;color:var(--text-dim)}.md-body del{color:var(--text-dim);text-decoration:line-through}.md-table-wrap{overflow-x:auto;margin:.75em 0;border-radius:8px;border:1px solid var(--border)}.md-body table{border-collapse:collapse;width:100%;font-size:.9em}.md-body th,.md-body td{padding:8px 12px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}.md-body th{background:#ffffff0a;font-weight:600;color:var(--text)}.md-body tr:last-child td{border-bottom:none}.md-body tr:hover td{background:#ffffff05}.history-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:200;display:flex;align-items:center;justify-content:center;padding:1.5rem}.history-modal{width:min(680px,100%);max-height:min(85vh,900px);background:var(--surface);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;box-shadow:0 24px 64px #0006;animation:fadeScaleIn .18s ease}@keyframes fadeScaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.history-header{display:flex;align-items:center;gap:.5rem;padding:.875rem 1rem;border-bottom:1px solid var(--border);background:var(--surface);border-radius:12px 12px 0 0;flex-shrink:0}.history-title{flex:1;font-weight:600;font-size:.95rem}.history-close{margin-left:auto}.btn-icon{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:var(--surface-high);color:var(--text);font-size:13px;cursor:pointer}.history-body{flex:1;overflow-y:auto;padding:1rem}.history-list-container{display:flex;flex-direction:column;gap:.75rem}.history-filter{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.5rem 0;border-bottom:1px solid var(--border);margin-bottom:.5rem}.history-filter-label{font-size:.8rem;color:var(--text-dim);white-space:nowrap}.history-filter-input{width:140px;font-size:.82rem}.history-empty{color:var(--text-dim);font-style:italic;font-size:.9rem;text-align:center;padding:1.5rem 0}.history-session-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.history-session-row{width:100%;display:flex;align-items:center;gap:.75rem;padding:.6rem .75rem;border-radius:8px;border:1px solid var(--border);background:var(--surface-high);color:var(--text);cursor:pointer;font-size:.85rem;text-align:left}.history-session-row:hover{border-color:var(--primary)}.history-session-date{white-space:nowrap;font-variant-numeric:tabular-nums}.history-session-count{background:var(--primary);color:#fff;border-radius:999px;font-size:.7rem;padding:1px 8px;flex-shrink:0}.history-session-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;color:var(--text-dim)}.history-load-more{display:flex;justify-content:center;padding-top:.5rem}.history-spinner{width:28px;height:28px;margin:2rem auto;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.history-error{color:var(--danger);font-size:.9rem;text-align:center;padding:1.5rem 0;display:flex;flex-direction:column;align-items:center;gap:.75rem}.history-reader{display:flex;flex-direction:column;gap:.75rem}.history-action{align-self:flex-start;font-size:.8rem;color:var(--text-dim);border-left:3px solid var(--border);padding:2px 10px}.history-session-end{align-self:center;font-size:.75rem;color:var(--text-dim);font-style:italic}.quick-actions{display:flex;flex-wrap:wrap;gap:.5rem;padding:.5rem 1rem;border-top:1px solid var(--border);background:var(--surface)}.quick-action-btn{display:inline-flex;align-items:center;gap:.375rem;font-size:.82rem;font-weight:500;padding:.45rem .875rem;min-height:44px;border-radius:20px;border:1px solid var(--border);background:var(--surface-high);color:var(--text);cursor:pointer;transition:background .15s,border-color .15s,opacity .15s;white-space:nowrap}.quick-action-btn:hover:not(:disabled){opacity:.9}.quick-action-btn:disabled{opacity:.45;cursor:not-allowed}.quick-action-btn--qa-diagnose{border-color:var(--primary);color:var(--primary)}.quick-action-btn--qa-diagnose:hover:not(:disabled){background:var(--surface-high)}.quick-action-btn--qa-restart-containers{border-color:var(--warning);color:var(--warning)}.quick-action-btn--qa-restart-containers:hover:not(:disabled){background:var(--surface-high)}.quick-action-btn--qa-restart-vm{border-color:var(--danger);color:var(--danger)}.quick-action-btn--qa-restart-vm:hover:not(:disabled){background:var(--surface-high)}@media(max-width:360px){.quick-action-label{display:none}}.guide-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:200;display:flex;align-items:center;justify-content:center;padding:1.5rem}.guide-modal{width:min(720px,100%);max-height:min(90vh,960px);background:var(--surface);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;box-shadow:0 24px 64px #0006;animation:fadeScaleIn .18s ease;overflow:hidden}.guide-header{display:flex;align-items:center;gap:.5rem;padding:.875rem 1rem;border-bottom:1px solid var(--border);background:var(--surface-high);flex-shrink:0}.guide-header-icon{color:var(--primary)}.guide-title{flex:1;font-weight:600;font-size:.95rem;color:var(--text)}.guide-close{margin-left:auto}.guide-body{flex:1;overflow-y:auto;padding:1.25rem 1.5rem}.guide-toc{background:var(--surface-high);border:1px solid var(--border);border-radius:8px;padding:1rem;margin-bottom:1.5rem}.guide-toc h3{margin:0 0 .75rem;font-size:.9rem;font-weight:600;color:var(--text)}.guide-toc ul{list-style:none;margin:0;padding:0}.guide-toc li{margin:.5rem 0}.guide-toc a{color:var(--primary);text-decoration:none;font-size:.85rem}.guide-toc a:hover{text-decoration:underline}.guide-body .md-body h1,.guide-body .md-body h2,.guide-body .md-body h3{margin-top:1.5rem;margin-bottom:.75rem;font-weight:600;color:var(--text)}.guide-body .md-body h1{font-size:1.5rem;border-bottom:2px solid var(--border);padding-bottom:.5rem}.guide-body .md-body h2{font-size:1.25rem}.guide-body .md-body h3{font-size:1.1rem}.guide-body .md-body p,.guide-body .md-body ul,.guide-body .md-body ol{line-height:1.6;color:var(--text);margin-bottom:1rem}.guide-body .md-body code{background:var(--surface-high);border:1px solid var(--border);border-radius:4px;padding:.15rem .4rem;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:.85em}.guide-body .md-body pre{background:var(--surface-high);border:1px solid var(--border);border-radius:6px;padding:1rem;overflow-x:auto;margin-bottom:1rem}.guide-body .md-body pre code{background:none;border:none;padding:0}.guide-body .md-body blockquote{border-left:4px solid var(--warning);background:#d299220d;padding:.75rem 1rem;margin:1rem 0;color:var(--text-dim)}.guide-body .md-body table{width:100%;border-collapse:collapse;margin-bottom:1rem;font-size:.85rem}.guide-body .md-body th,.guide-body .md-body td{white-space:normal;border:1px solid var(--border);padding:.5rem;text-align:left}.guide-body .md-body th{background:var(--surface-high);font-weight:600}@media(max-width:600px){.guide-backdrop{padding:0}.guide-modal{width:100%;max-height:100vh;border-radius:0}}