:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Outfit", sans-serif;--font-mono: "Geist Mono", SFMono-Regular, Consolas, monospace;--bg-app: #090d16;--bg-sidebar: #0f1524;--bg-card: #161e31;--bg-input: #1e2942;--border-color: #273554;--border-color-hover: #3b4f7c;--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-text-dim: #64748b;--primary: #007b85;--primary-glow: rgba(0, 123, 133, .4);--primary-hover: #00939f;--accent: #fa5d19;--success: #10b981;--error: #f43f5e;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-glow: 0 0 20px rgba(0, 123, 133, .2);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--color-text);min-height:100vh;display:flex;overflow:hidden;-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;width:100vw;height:100vh}.app-header{height:64px;background-color:var(--bg-sidebar);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:10}.logo-area{display:flex;align-items:center;gap:10px}.logo-icon{font-size:20px;color:var(--accent);text-shadow:0 0 10px rgba(250,93,25,.5);animation:logo-spin 4s ease infinite}@keyframes logo-spin{0%,to{transform:scale(1) rotate(0)}50%{transform:scale(1.1) rotate(180deg)}}.logo-text{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#cbd5e1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-badge{font-size:11px;font-weight:600;background:#ffffff0d;border:1px solid var(--border-color);padding:3px 8px;border-radius:9999px;color:var(--color-text-muted)}.header-actions{display:flex;gap:12px}.btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:600;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent;outline:none;font-family:var(--font-sans)}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm),inset 0 1px #ffffff26}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 0 14px var(--primary-glow)}.btn-secondary{background:#ffffff08;color:var(--color-text);border-color:var(--border-color)}.btn-secondary:hover{background:#ffffff14;border-color:var(--border-color-hover)}.btn-danger{background:#f43f5e1a;color:var(--error);border-color:#f43f5e33}.btn-danger:hover{background:#f43f5e33;border-color:var(--error)}.btn-sm{padding:6px 12px;font-size:12px}.w-full{width:100%}.app-main{display:flex;flex:1;overflow:hidden}.sidebar-panel{width:440px;background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;overflow:hidden}.sidebar-tabs{display:flex;border-bottom:1px solid var(--border-color);background:#0003}.tab-btn{flex:1;height:48px;background:none;border:none;color:var(--color-text-muted);font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:all var(--transition-fast);position:relative;outline:none}.tab-btn:hover{color:var(--color-text);background:#ffffff05}.tab-btn.active{color:var(--primary-hover);background:#ffffff03}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--primary);box-shadow:0 0 8px var(--primary)}.sidebar-content{flex:1;overflow-y:auto;padding:24px}.tab-pane{display:none}.tab-pane.active{display:block}.panel-section-title{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:6px;letter-spacing:-.01em}.panel-section-title.sm{font-size:14px;margin-bottom:12px}.panel-desc{font-size:13px;color:var(--color-text-muted);line-height:1.5;margin-bottom:20px}.panel-section-divider{height:1px;background:var(--border-color);margin:28px 0}.editor-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;font-family:var(--font-mono)}.form-input{background-color:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--color-text);padding:10px 14px;font-size:13px;line-height:1.5;outline:none;transition:all var(--transition-fast);width:100%}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px #007b8540}.form-textarea{resize:vertical;min-height:80px}.field-loading{font-size:13px;color:var(--color-text-muted);padding:20px 0;text-align:center}.assets-grid{display:flex;flex-direction:column;gap:18px}.asset-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;display:grid;grid-template-columns:80px 1fr;gap:16px;align-items:center;transition:border-color var(--transition-fast)}.asset-card:hover{border-color:var(--border-color-hover)}.asset-preview{width:80px;height:80px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:6px;position:relative}.asset-preview img{max-width:100%;max-height:100%;object-fit:contain}.asset-info{display:flex;flex-direction:column;gap:8px}.asset-name{font-size:13px;font-weight:600;color:var(--color-text);word-break:break-all}.asset-size{font-size:11px;color:var(--color-text-dim)}.asset-upload-btn{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;background:var(--bg-input);border:1px solid var(--border-color);padding:6px 12px;border-radius:4px;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);text-align:center;align-self:flex-start}.asset-upload-btn:hover{border-color:var(--border-color-hover);color:var(--color-text)}.upload-dropzone{border:2px dashed var(--border-color);background:#161e3166;border-radius:var(--radius-lg);padding:40px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-normal)}.upload-dropzone:hover,.upload-dropzone.drag-active{border-color:var(--primary);background:#007b850d}.upload-icon{width:48px;height:48px;color:var(--color-text-dim);margin-bottom:16px;transition:color var(--transition-fast)}.upload-dropzone:hover .upload-icon{color:var(--primary-hover)}.upload-text{font-size:14px;font-weight:600;color:var(--color-text);margin-bottom:6px}.upload-subtext{font-size:12px;color:var(--color-text-muted);margin-bottom:20px}.bulk-mapping-area{margin-top:28px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;animation:slide-up .3s ease}@keyframes slide-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.mapping-table-wrap{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:#0003;margin-bottom:16px}.mapping-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}.mapping-table th,.mapping-table td{padding:10px 12px;border-bottom:1px solid var(--border-color)}.mapping-table th{background:#0000004d;font-weight:600;color:var(--color-text-muted)}.mapping-select{background:var(--bg-input);border:1px solid var(--border-color);color:var(--color-text);font-size:12px;padding:4px 8px;border-radius:4px;outline:none;max-width:160px}.records-info{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--color-text-muted);margin-bottom:20px}.preview-badge{background:#007b851a;color:var(--primary-hover);padding:2px 8px;border-radius:4px;font-family:var(--font-mono)}.history-list{display:flex;flex-direction:column;gap:12px}.history-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 16px;display:flex;justify-content:space-between;align-items:center;transition:all var(--transition-fast)}.history-item:hover{border-color:var(--border-color-hover);transform:translateY(-1px)}.history-info{display:flex;flex-direction:column;gap:4px;max-width:70%}.history-title{font-size:13px;font-weight:600;color:var(--color-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-meta{font-size:11px;color:var(--color-text-dim)}.history-actions{display:flex;gap:6px}.history-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 16px;color:var(--color-text-dim)}.history-empty svg{margin-bottom:12px}.empty-title{font-size:13px;font-weight:600;color:var(--color-text-muted);margin-bottom:4px}.history-empty p{font-size:12px;line-height:1.4}.preview-panel{flex:1;background-color:var(--bg-app);display:flex;flex-direction:column;overflow:hidden}.preview-toolbar{height:48px;background-color:var(--bg-sidebar);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0}.toolbar-title{font-size:13px;font-weight:600;color:var(--color-text-muted);display:flex;align-items:center;gap:8px}.live-dot{width:8px;height:8px;background:var(--success);border-radius:9999px;box-shadow:0 0 8px var(--success);display:inline-block}.viewport-toggles{display:flex;background:#0003;border-radius:var(--radius-sm);padding:2px;border:1px solid var(--border-color)}.viewport-btn{background:none;border:none;color:var(--color-text-muted);padding:4px 10px;font-size:11px;font-weight:600;border-radius:4px;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all var(--transition-fast);outline:none}.viewport-btn:hover{color:var(--color-text)}.viewport-btn.active{background:var(--primary);color:#fff}.preview-viewport-container{flex:1;padding:24px;overflow:auto;display:flex;align-items:flex-start;justify-content:center;background-image:radial-gradient(#1e293b 1px,transparent 1px),radial-gradient(#1e293b 1px,transparent 1px);background-size:20px 20px;background-position:0 0,10px 10px}.preview-viewport{position:relative;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);width:100%;max-width:1120px;height:100%;min-height:600px;overflow:hidden;transition:width var(--transition-normal)}#preview-frame{width:100%;height:100%;border:none;background:#ecebe8}.preview-placeholder-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg-app);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:5;transition:opacity .3s ease}.loader-spinner{width:32px;height:32px;border:3px solid rgba(0,123,133,.1);border-top-color:var(--primary);border-radius:50%;animation:spinner-rotate .8s linear infinite}@keyframes spinner-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loader-text{font-size:13px;color:var(--color-text-muted)}.form-section-header{font-size:11px;font-weight:700;color:var(--primary-hover);text-transform:uppercase;letter-spacing:.1em;margin:24px 0 12px;border-bottom:1px solid var(--border-color);padding-bottom:6px;font-family:var(--font-mono)}.form-section{display:flex;flex-direction:column;gap:14px;margin-bottom:18px}