@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-app: #f4f4f5;--bg-sidebar: #18181b;--bg-card: #ffffff;--bg-hover: #f4f4f5;--text-main: #27272a;--text-muted: #71717a;--text-inverse: #f4f4f5;--text-inverse-muted: #a1a1aa;--color-primary: #f59e0b;--color-primary-fg: #ffffff;--color-border: #e4e4e7;--color-danger: #ef4444;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--header-height: 64px}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-app);color:var(--text-main);-webkit-font-smoothing:antialiased}.app-shell{display:flex;flex-direction:column;height:100vh;overflow:hidden}.topbar{height:var(--header-height);background:var(--bg-card);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:20}.topbar-left{display:flex;align-items:center;gap:16px}.layout-container{display:flex;flex:1;overflow:hidden}.sidebar{background:var(--bg-sidebar);color:var(--text-inverse);display:flex;flex-direction:column;border-right:1px solid #27272a;transition:width .3s cubic-bezier(.4,0,.2,1);flex-shrink:0;z-index:10}.sidebar-open .sidebar{width:260px}.sidebar-closed .sidebar{width:72px}.nav-header{padding:24px 20px 16px}.nav-title{font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--text-inverse-muted)}.sidebar-closed .nav-title{display:none}.nav-list{padding:0 12px;display:flex;flex-direction:column;gap:12px;flex:1;overflow-y:auto;scrollbar-width:none}.nav-list::-webkit-scrollbar{display:none}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-md);color:var(--text-inverse-muted);background:transparent;border:none;cursor:pointer;width:100%;text-align:left;transition:all .2s;font-family:inherit;font-size:14px;font-weight:500}.sidebar-closed .nav-item{justify-content:center;padding:10px 0}.nav-item:hover{background:#ffffff14;color:var(--text-inverse)}.nav-item.active{background:var(--color-primary);color:var(--color-primary-fg)}.nav-item svg{width:18px;height:18px;flex-shrink:0}.nav-label{white-space:nowrap;opacity:1;transition:opacity .2s}.sidebar-closed .nav-label{opacity:0;width:0;overflow:hidden;display:none}.sidebar-footer{padding:16px;border-top:1px solid #27272a;display:flex;flex-direction:column;gap:8px}.resizable-content{flex:1;display:flex;background:var(--bg-app)}.resizer{width:1px;background:var(--color-border);position:relative;cursor:col-resize;z-index:20;transition:background .2s}.resizer:after{content:"";position:absolute;top:0;bottom:0;left:-4px;right:-4px;z-index:10}.resizer:hover,.resizer:active{background:var(--color-primary);width:2px}.editor-pane{display:flex;flex-direction:column;background:var(--bg-app);overflow:hidden}.editor-scroller{padding:32px;overflow-y:auto;flex:1}.section-header{margin-bottom:24px}.section-header h2{font-size:24px;font-weight:700;margin:0;color:var(--text-main);letter-spacing:-.02em}.form-grid{display:grid;gap:24px;max-width:800px}.list-card{background:var(--bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:16px;box-shadow:0 1px 2px #0000000a;transition:box-shadow .2s}.list-card:focus-within{box-shadow:0 4px 12px #00000014;border-color:#d4d4d8}.field-group{display:flex;flex-direction:column;gap:6px}.field-group label{font-size:13px;font-weight:500;color:var(--text-main)}.field-help{margin:-12px 0 8px;font-size:12px;color:var(--text-muted);line-height:1.5}.toggle-field{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;color:var(--text-main)}.toggle-field input[type=checkbox]{width:16px;height:16px}.input-field,.textarea-field{padding:10px 12px;border-radius:var(--radius-md);border:1px solid var(--color-border);font-size:14px;background:#fff;color:var(--text-main);transition:all .2s;outline:none;font-family:inherit;width:100%}.textarea-field{min-height:100px;resize:vertical;line-height:1.5}.input-field:focus,.textarea-field:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #f59e0b1a}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all 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svg{width:18px;height:18px}.preview-pane{background:#e5e5e5;display:flex;flex-direction:column;overflow:hidden;position:relative}.preview-toolbar{height:56px;background:#fff;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 16px}.device-toggles{background:var(--bg-app);padding:4px;border-radius:var(--radius-md);display:flex;gap:2px}.device-btn{padding:6px 10px;border:none;background:transparent;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-muted);display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500}.device-btn.active{background:#fff;color:var(--text-main);box-shadow:0 1px 2px #0000001a}.preview-viewport{flex:1;display:flex;justify-content:center;padding:40px;overflow:auto;background-image:radial-gradient(#a1a1aa 1px,transparent 1px);background-size:24px 24px}.device-frame{background:#fff;box-shadow:0 25px 50px -12px #00000040;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden}.device-frame.desktop{width:100%;height:100%;border-radius:var(--radius-md)}.device-frame.tablet{width:768px;height:1024px;border-radius:20px;border:12px solid #27272a}.device-frame.mobile{width:375px;height:812px;border-radius:40px;border:12px solid #27272a}.preview-iframe{width:100%;height:100%;border:none;background:#fff}.topbar-title{font-weight:700;font-size:16px;color:var(--text-main)}.topbar-subtitle{font-size:12px;color:var(--text-muted)}.topbar-actions{display:flex;gap:12px}.app-shell.preview-fullscreen .topbar{display:none}.app-shell.preview-fullscreen .preview-toolbar{padding-left:8px;padding-right:8px}.app-shell.preview-fullscreen .preview-viewport{padding:12px}.floating-editor{position:absolute;width:340px;background:#ffffffbf;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(255,255,255,.8);border-radius:16px;box-shadow:0 10px 40px -10px #00000026,0 2px 10px -2px #0000001a,inset 0 0 0 1px #ffffff80;z-index:100;-webkit-user-select:none;user-select:none;cursor:grab;display:flex;flex-direction:column;transition:width .3s cubic-bezier(.16,1,.3,1),transform .2s ease,opacity .2s ease;overflow:hidden;color:#1e293b}.floating-editor:active{cursor:grabbing}.floating-editor.collapsed{width:220px;background:#ffffffe6}.floating-editor-header{padding:12px 16px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,0,0,.06);background:#fff6}.floating-editor-header span{font-weight:600;font-size:13px;letter-spacing:.5px;text-transform:uppercase;color:#334155}.floating-editor-actions{display:flex;gap:6px}.floating-editor-actions .icon-btn{width:24px;height:24px;padding:4px;color:#64748b;border-radius:6px}.floating-editor-actions .icon-btn:hover{background:#0000000f;color:#0f172a}.floating-editor-body{padding:16px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;flex:1;min-height:0}.floating-editor-body 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60%),var(--bg-app)}.login-card{width:min(420px,100%);background:#fff;border-radius:var(--radius-lg);padding:32px;border:1px solid var(--color-border);box-shadow:0 18px 30px -24px #0f172a4d;display:flex;flex-direction:column;gap:24px}.login-header{display:flex;align-items:center;gap:16px}.login-mark{width:44px;height:44px;border-radius:12px;background:var(--color-primary);color:var(--color-primary-fg);display:grid;place-items:center;font-weight:700;letter-spacing:.08em}.login-eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.2em;margin:0 0 4px;color:var(--text-muted)}.login-title{margin:0;font-size:22px;font-weight:700;color:var(--text-main)}.login-subtitle{margin:-8px 0 4px;font-size:13px;color:var(--text-muted)}.login-form{display:flex;flex-direction:column;gap:16px}.login-error{color:var(--color-danger);font-size:13px;margin-top:-6px}.login-submit{width:100%}.login-loading{display:inline-flex;align-items:center;gap:8px;justify-content:center}.login-spinner{width:14px;height:14px;border-radius:999px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.nav-group{display:flex;flex-direction:column;gap:4px}.nav-group-label{font-size:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:var(--text-inverse-muted);padding:0}.sidebar-closed .nav-group-label{display:none}.nav-group-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:8px 12px 4px;background:transparent;border:none;color:var(--text-inverse-muted);cursor:pointer;text-align:left;font-family:inherit}.nav-group-toggle:hover{color:var(--text-inverse)}.nav-group-toggle svg{flex-shrink:0}.nav-group-items{display:flex;flex-direction:column;gap:4px}