:root{--ed-bg-base: #0b0d11;--ed-bg-surface: #12151c;--ed-bg-elevated: #1a1d26;--ed-bg-input: #0d1017;--ed-border: rgba(255, 255, 255, .06);--ed-border-hover: rgba(255, 255, 255, .12);--ed-border-focus: #6366f1;--ed-text-primary: #e2e8f0;--ed-text-secondary: #94a3b8;--ed-text-muted: #475569;--ed-text-accent: #818cf8;--ed-accent: #6366f1;--ed-accent-hover: #818cf8;--ed-accent-dim: rgba(99, 102, 241, .12);--ed-success: #22c55e;--ed-error: #ef4444;--ed-error-bg: rgba(239, 68, 68, .08);--ed-error-border: rgba(239, 68, 68, .2);--ed-font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--ed-font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--ed-radius-sm: 6px;--ed-radius-md: 10px;--ed-radius-lg: 16px;--ed-radius-xl: 24px;--ed-shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--ed-shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--ed-shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--ed-header-h: 56px;--ed-toolbar-h: 44px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--ed-font-ui);background:var(--ed-bg-base);color:var(--ed-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#ffffff26}#app{display:flex;flex-direction:column;height:100vh}.ed-header{display:flex;align-items:center;justify-content:space-between;height:var(--ed-header-h);padding:0 20px;background:var(--ed-bg-surface);border-bottom:1px solid var(--ed-border);flex-shrink:0;z-index:10}.ed-header__brand{display:flex;align-items:center;gap:10px}.ed-header__logo{display:flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--ed-accent);border-radius:var(--ed-radius-sm);box-shadow:0 2px 8px 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ease;white-space:nowrap;-webkit-user-select:none;user-select:none}.ed-btn:hover{background:#ffffff0a;border-color:var(--ed-border-hover);color:var(--ed-text-primary)}.ed-btn:active{transform:scale(.97)}.ed-btn--accent{background:var(--ed-accent-dim);border-color:#6366f140;color:var(--ed-text-accent)}.ed-btn--accent:hover{background:#6366f133;border-color:#6366f166}.ed-btn--success{background:#22c55e1a;border-color:#22c55e40;color:var(--ed-success)}.ed-btn svg{width:14px;height:14px;flex-shrink:0}.ed-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding:7px 32px 7px 12px;font-size:11px;font-weight:700;font-family:var(--ed-font-ui);text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--ed-border);border-radius:var(--ed-radius-sm);background:var(--ed-bg-elevated);color:var(--ed-text-secondary);cursor:pointer;transition:all .15s ease;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 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var(--ed-border);flex-shrink:0}.ed-editor__toolbar-label{display:flex;align-items:center;gap:6px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ed-text-muted)}.ed-editor__toolbar-label svg{width:14px;height:14px;color:var(--ed-text-accent)}.ed-editor__body{flex:1;overflow:hidden;position:relative}.ed-preview{display:flex;flex-direction:column;flex:1;min-width:320px}.ed-preview__toolbar{display:flex;align-items:center;justify-content:space-between;height:var(--ed-toolbar-h);padding:0 16px;background:var(--ed-bg-surface);border-bottom:1px solid var(--ed-border);flex-shrink:0}.ed-preview__toolbar-left{display:flex;align-items:center;gap:4px}.ed-preview__toolbar-right{display:flex;align-items:center;gap:8px}.ed-tabs{display:flex;background:var(--ed-bg-elevated);padding:3px;border-radius:var(--ed-radius-sm);border:1px solid var(--ed-border)}.ed-tab{display:flex;align-items:center;gap:5px;padding:5px 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6px);left:0;min-width:220px;background:var(--ed-bg-elevated);border:1px solid var(--ed-border-hover);border-radius:var(--ed-radius-md);box-shadow:var(--ed-shadow-lg);padding:4px;z-index:50;display:none}.ed-dropdown__menu--open{display:block}.ed-dropdown__item{display:block;width:100%;padding:8px 12px;font-size:12px;font-weight:600;font-family:var(--ed-font-ui);color:var(--ed-text-secondary);background:transparent;border:none;border-radius:6px;cursor:pointer;text-align:left;transition:all .1s ease}.ed-dropdown__item:hover{background:var(--ed-accent-dim);color:var(--ed-text-accent)}.ed-dropdown__item-desc{display:block;font-size:10px;font-weight:500;color:var(--ed-text-muted);margin-top:2px}@media (max-width: 768px){.ed-main{flex-direction:column}.ed-editor{width:100%;height:50%;min-width:unset;border-right:none;border-bottom:1px solid var(--ed-border)}.ed-preview{min-width:unset}.ed-divider{width:100%;height:4px;cursor:row-resize}.ed-header__subtitle{display:none}}