:root{--color-bg:#f7f7f8;--color-surface:#fff;--color-border:#e5e5e7;--color-sidebar-bg:#1e1e2e;--color-sidebar-text:#c0c0cc;--color-sidebar-text-active:#fff;--color-sidebar-hover:#ffffff12;--color-sidebar-active:#ffffff1f;--color-accent:#6366f1;--color-accent-light:#eef2ff;--color-text:#1a1a2e;--color-text-muted:#6b7280;--color-success:#10b981;--color-warning:#f59e0b;--color-danger:#ef4444;--sidebar-width:220px;--sidebar-collapsed-width:56px;--topbar-height:52px;--radius:6px;--radius-lg:10px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Consolas, monospace;font-family:var(--sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6}*,:before,:after{box-sizing:border-box}body{margin:0}h1,h2,h3,h4{color:var(--color-text);margin:0;font-weight:600;line-height:1.3}p{margin:0}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border-radius:var(--radius);border:none;justify-content:center;align-items:center;gap:4px;padding:6px 14px;font-family:inherit;font-size:13px;transition:background .15s,box-shadow .15s;display:inline-flex}#root{height:100vh;display:flex;overflow:auto hidden}.admin-shell{width:100%;min-width:fit-content;height:100%;display:flex;overflow:visible hidden}.sidebar{width:var(--sidebar-width);background:var(--color-sidebar-bg);flex-direction:column;flex-shrink:0;height:100%;transition:width .22s cubic-bezier(.4,0,.2,1);display:flex;overflow:hidden}.admin-shell.sidebar-collapsed .sidebar{width:var(--sidebar-collapsed-width)}.sidebar-header{border-bottom:1px solid #ffffff14;flex-shrink:0;align-items:center;display:flex}.sidebar-toggle{border-radius:var(--radius);color:#fff6;background:0 0;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;margin-right:8px;padding:0;font-size:18px;line-height:1;transition:background .12s,color .12s;display:flex}.sidebar-toggle>span{display:block;transform:translateY(-1px)}.sidebar-toggle:hover{background:var(--color-sidebar-hover);color:#fff}.sidebar-brand{flex:1;align-items:center;gap:10px;min-width:0;padding:18px 10px 14px 20px;display:flex}.sidebar-brand-text{white-space:nowrap;transition:opacity .18s,width .22s cubic-bezier(.4,0,.2,1);overflow:hidden}.admin-shell.sidebar-collapsed .sidebar-brand-text{display:none}.admin-shell.sidebar-collapsed .sidebar-header{flex-direction:column;justify-content:center;gap:8px;padding:10px 0 8px}.admin-shell.sidebar-collapsed .sidebar-brand{flex:none;justify-content:center;gap:0;width:100%;padding:0}.admin-shell.sidebar-collapsed .sidebar-brand>img{margin:0 auto}.admin-shell.sidebar-collapsed .sidebar-toggle{margin:0}.sidebar-brand-icon{background:var(--color-accent);color:#fff;border-radius:6px;flex-shrink:0;place-items:center;width:28px;height:28px;font-size:15px;display:grid}.sidebar-brand-name{color:#fff;letter-spacing:.3px;font-size:15px;font-weight:700}.sidebar-brand-sub{color:var(--color-sidebar-text);margin-top:1px;font-size:11px}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 10px;display:flex;overflow-y:auto}.sidebar-section-label{letter-spacing:.8px;text-transform:uppercase;color:#ffffff4d;white-space:nowrap;padding:10px 10px 4px;font-size:10px;font-weight:600;transition:opacity .18s;overflow:hidden}.admin-shell.sidebar-collapsed .sidebar-section-label{display:none}.sidebar-item{border-radius:var(--radius);color:var(--color-sidebar-text);cursor:pointer;text-align:left;background:0 0;border:none;justify-content:flex-start;align-items:center;gap:10px;width:100%;padding:8px 10px;font-family:inherit;font-size:13.5px;text-decoration:none;transition:background .12s,color .12s;display:flex}.sidebar-item:hover{background:var(--color-sidebar-hover);color:var(--color-sidebar-text-active);text-decoration:none}.sidebar-item.active{background:var(--color-sidebar-active);color:var(--color-sidebar-text-active)}.sidebar-item-icon{text-align:center;flex-shrink:0;width:20px;font-size:15px}.sidebar-item-text{white-space:nowrap;transition:opacity .18s;overflow:hidden}.admin-shell.sidebar-collapsed .sidebar-item-text{opacity:0;pointer-events:none;width:0}.admin-shell.sidebar-collapsed .sidebar-item{justify-content:center;gap:0;padding:8px 0}.admin-shell.sidebar-collapsed .sidebar-item-icon{place-items:center;margin:0 auto;display:grid}.sidebar-footer{color:#ffffff40;text-align:center;border-top:1px solid #ffffff14;padding:12px 10px;font-size:11px;line-height:1.5}.main-area{background:var(--color-bg);flex-direction:column;flex:1;min-width:1026px;display:flex;overflow:visible hidden}.topbar{height:var(--topbar-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:10;flex-shrink:0;align-items:center;gap:12px;padding:0 24px;display:flex;position:relative}.topbar-title{color:var(--color-text-muted);font-size:14px;font-weight:500}.topbar-title strong{color:var(--color-text);font-weight:600}.topbar-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.page-content{flex:1;padding:28px 32px;overflow-y:auto}.btn-primary{background:var(--color-accent);color:#fff;font-weight:500}.btn-primary:hover{background:#4f46e5}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.btn-ghost{color:var(--color-text-muted);background:0 0;padding:5px 10px}.btn-ghost:hover{background:var(--color-bg);color:var(--color-text)}.btn-danger{color:var(--color-danger);border:1px solid var(--color-danger);background:0 0}.btn-danger:hover{background:#fef2f2}.btn-sm{padding:4px 10px;font-size:12px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px 24px}.md-preview{color:var(--color-text);font-size:14px;line-height:1.8}.md-preview h1{border-bottom:1px solid var(--color-border);margin:24px 0 12px;padding-bottom:8px;font-size:22px}.md-preview h2{margin:20px 0 10px;font-size:18px}.md-preview h3{margin:16px 0 8px;font-size:15px}.md-preview h4{margin:12px 0 6px;font-size:14px}.md-preview p{margin:0 0 12px}.md-preview ul,.md-preview ol{margin:0 0 12px;padding-left:22px}.md-preview li{margin-bottom:4px}.md-preview blockquote{border-left:3px solid var(--color-accent);background:var(--color-accent-light);border-radius:0 var(--radius) var(--radius) 0;color:var(--color-text-muted);margin:12px 0;padding:10px 16px;font-style:italic}.md-preview code{font-family:var(--mono);background:#f3f4f6;border-radius:3px;padding:2px 5px;font-size:12.5px}.md-preview pre{color:#cdd6f4;border-radius:var(--radius);background:#1e1e2e;margin:12px 0;padding:14px 18px;overflow-x:auto}.md-preview pre code{color:inherit;background:0 0;padding:0;font-size:13px}.md-preview table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13px}.md-preview th,.md-preview td{border:1px solid var(--color-border);text-align:left;padding:6px 12px}.md-preview th{background:var(--color-bg);font-weight:600}.md-preview hr{border:none;border-top:1px solid var(--color-border);margin:20px 0}.md-preview a{color:var(--color-accent)}.md-preview img{border-radius:var(--radius);max-width:100%}.badge{border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.badge-idle{color:var(--color-text-muted);background:#f3f4f6}.badge-generating{color:#92400e;background:#fef3c7}.badge-done{color:#065f46;background:#d1fae5}.badge-error{color:#991b1b;background:#fee2e2}.empty-state{text-align:center;color:var(--color-text-muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:64px 24px;display:flex}.empty-state-icon{opacity:.4;font-size:40px}.empty-state-title{color:var(--color-text);font-size:16px;font-weight:600}.empty-state-desc{max-width:320px;font-size:13px}@keyframes toast-in{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}.editor-toolbar{border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;align-items:center;gap:6px;height:48px;padding:6px 16px;display:flex;overflow-x:auto}.editor-toolbar-divider{background:var(--color-border);flex-shrink:0;width:1px;height:20px;margin:0 4px}.editor-toolbar-title{min-width:100px;color:var(--color-text);background:0 0;border:none;border-bottom:2px solid #0000;outline:none;flex:1;padding:4px 8px;font-family:inherit;font-size:14px;font-weight:600;transition:border-color .15s}.editor-toolbar-title:focus{border-bottom-color:var(--color-accent)}.editor-toolbar-title::placeholder{color:var(--color-text-muted);font-weight:400}.toolbar-btn{border:1px solid var(--color-border);border-radius:var(--radius);white-space:nowrap;cursor:pointer;background:var(--color-surface);height:30px;color:var(--color-text);flex-shrink:0;align-items:center;gap:4px;padding:0 12px;font-family:inherit;font-size:12px;transition:background .15s,border-color .15s,box-shadow .15s;display:inline-flex}.toolbar-btn:hover:not(:disabled){background:var(--color-bg);border-color:#d0d0d4}.toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.toolbar-btn-ai{background:color-mix(in srgb, var(--color-accent) 8%, white);color:var(--color-accent);border-color:color-mix(in srgb, var(--color-accent) 20%, var(--color-border))}.toolbar-btn-ai:hover:not(:disabled){background:color-mix(in srgb, var(--color-accent) 14%, white);border-color:color-mix(in srgb, var(--color-accent) 35%, var(--color-border))}.toolbar-btn-primary{background:var(--color-accent);color:#fff;border:none;font-weight:500}.toolbar-btn-primary:hover:not(:disabled){background:#4f46e5}.toolbar-btn-ghost{color:var(--color-text-muted);background:0 0;border-color:#0000}.toolbar-btn-ghost:hover:not(:disabled){background:var(--color-bg);color:var(--color-text)}.creation-flow-steps::-webkit-scrollbar{display:none}.editor-summary-strip{border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-accent) 4%, var(--color-surface));flex-shrink:0;align-items:center;gap:8px;min-width:1026px;padding:6px 16px;font-size:12px;display:flex}.selection-float-bar{z-index:900;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);align-items:center;gap:4px;padding:4px 6px;animation:.12s ease-out float-bar-in;display:flex;position:fixed;box-shadow:0 4px 16px #0000001f}@keyframes float-bar-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.help-tip__popup{opacity:0;visibility:hidden;transition:opacity .15s,visibility .15s}.help-tip:hover .help-tip__popup{opacity:1;visibility:visible}