[data-theme=light]{--rte-bg:#fff;--rte-text:#1a1a2e;--rte-text-muted:#6b7280;--rte-border:#d0d0d0;--rte-toolbar-bg:#f8f9fa;--rte-toolbar-border:#e0e0e0;--rte-button-hover:#e9ecef;--rte-button-active:#dee2e6;--rte-button-pressed:#d0d7de;--rte-button-text:#374151;--rte-accent:#0969da;--rte-placeholder:#9ca3af;--rte-focus-ring:rgba(9,105,218,.3);--rte-code-bg:#f6f8fa;--rte-code-text:#1a1a2e;--rte-codeblock-bg:#f6f8fa;--rte-blockquote-border:#d0d7de;--rte-blockquote-text:#57606a;--rte-link-color:#0969da;--rte-dialog-overlay:rgba(0,0,0,.4);--rte-dialog-bg:#fff;--rte-dialog-border:#e0e0e0;--rte-input-bg:#fff;--rte-input-border:#d1d5db;--rte-input-focus:#0969da;--rte-shadow:0 2px 6px rgba(0,0,0,.1);--rte-radius:8px;--rte-radius-sm:4px;--rte-font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--rte-font-mono:"Fira Code","JetBrains Mono","Cascadia Code",monospace;--rte-font-size:16px;--rte-line-height:1.6}[data-theme=dark]{--rte-bg:#1e1e2e;--rte-text:#cdd6f4;--rte-text-muted:#a6adc8;--rte-border:#585b70;--rte-toolbar-bg:#181825;--rte-toolbar-border:#313244;--rte-button-hover:#313244;--rte-button-active:#45475a;--rte-button-pressed:#585b70;--rte-button-text:#cdd6f4;--rte-accent:#89b4fa;--rte-placeholder:#585b70;--rte-focus-ring:rgba(137,180,250,.3);--rte-code-bg:#313244;--rte-code-text:#cdd6f4;--rte-codeblock-bg:#1e1e2e;--rte-blockquote-border:#585b70;--rte-blockquote-text:#a6adc8;--rte-link-color:#89b4fa;--rte-dialog-overlay:rgba(0,0,0,.6);--rte-dialog-bg:#1e1e2e;--rte-dialog-border:#45475a;--rte-input-bg:#313244;--rte-input-border:#45475a;--rte-input-focus:#89b4fa;--rte-shadow:0 2px 6px rgba(0,0,0,.35);--rte-radius:8px;--rte-radius-sm:4px;--rte-font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--rte-font-mono:"Fira Code","JetBrains Mono","Cascadia 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rte-fade-in{0%{opacity:0}to{opacity:1}}@keyframes rte-slide-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.rte-dialog__dropzone{display:flex;align-items:center;justify-content:center;min-height:80px;margin-bottom:12px;padding:16px;border:2px dashed var(--rte-input-border);border-radius:var(--rte-radius-sm);background:var(--rte-input-bg);text-align:center;transition:border-color .15s ease,background-color .15s ease}.rte-dialog__dropzone--active{border-color:var(--rte-accent);background:var(--rte-button-hover)}.rte-dialog__dropzone-text{margin:0;font-size:.85em;color:var(--rte-text-muted)}.rte-dialog__browse-button{padding:0;border:none;background:none;color:var(--rte-accent);font-family:inherit;font-size:inherit;font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:2px}.rte-dialog__browse-button:hover{filter:brightness(1.1)}.rte-dialog__browse-button:focus-visible{outline:2px solid var(--rte-accent);outline-offset:2px;border-radius:2px}.rte-dialog__file-input{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.rte-dialog__file-info{display:flex;align-items:center;gap:8px}.rte-dialog__file-name{font-size:.85em;color:var(--rte-text);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rte-dialog__file-clear{display:flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border:none;border-radius:50%;background:var(--rte-button-hover);color:var(--rte-text-muted);font-size:1em;line-height:1;cursor:pointer;transition:background-color .15s ease,color .15s ease;flex-shrink:0}.rte-dialog__file-clear:hover{background:#e53e3e;color:#fff}.rte-dialog__file-clear:focus-visible{outline:2px solid var(--rte-accent);outline-offset:2px}.rte-dialog__separator{display:flex;align-items:center;gap:12px;margin:8px 0 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code:before{content:attr(data-language);position:absolute;top:8px;right:12px;font-family:var(--rte-font-family);font-size:.7em;font-weight:500;text-transform:uppercase;letter-spacing:.05em;opacity:.5;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}[data-theme=light] .rte-content .tiptap pre code .hljs-comment,[data-theme=light] .rte-content .tiptap pre code .hljs-quote{color:#6a737d;font-style:italic}[data-theme=light] .rte-content .tiptap pre code .hljs-keyword,[data-theme=light] .rte-content .tiptap pre code .hljs-selector-tag,[data-theme=light] .rte-content .tiptap pre code .hljs-type{color:#d73a49}[data-theme=light] .rte-content .tiptap pre code .hljs-addition,[data-theme=light] .rte-content .tiptap pre code .hljs-string{color:#032f62}[data-theme=light] .rte-content .tiptap pre code .hljs-built_in,[data-theme=light] .rte-content .tiptap pre code .hljs-literal,[data-theme=light] .rte-content .tiptap pre code 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.hljs-deletion{color:#f38ba8;background:rgba(243,139,168,.1)}[data-theme=dark] .rte-content .tiptap pre code .hljs-addition{background:rgba(166,227,161,.1)}[data-theme=dark] .rte-content .tiptap pre code .hljs-bullet,[data-theme=dark] .rte-content .tiptap pre code .hljs-symbol{color:#f9e2af}[data-theme=dark] .rte-content .tiptap pre code .hljs-emphasis{font-style:italic}[data-theme=dark] .rte-content .tiptap pre code .hljs-strong{font-weight:700}.rte-toolbar-row{display:flex;align-items:center;border-bottom:1px solid var(--rte-toolbar-border);background:var(--rte-toolbar-bg)}.rte-toolbar-row .rte-toolbar{flex:1 1;border-bottom:none}.rte-preview-toggle{display:flex;align-items:center;gap:0;margin-right:8px;border:1px solid var(--rte-toolbar-border);border-radius:var(--rte-radius-sm);overflow:hidden;flex-shrink:0}.rte-preview-toggle__btn{display:inline-flex;align-items:center;justify-content:center;padding:4px 10px;border:none;background:transparent;color:var(--rte-button-text);font-size:12px;font-weight:500;font-family:inherit;cursor:pointer;transition:background-color .15s ease,color .15s ease;white-space:nowrap}.rte-preview-toggle__btn:not(:last-child){border-right:1px solid var(--rte-toolbar-border)}.rte-preview-toggle__btn:hover:not(.rte-preview-toggle__btn--active){background:var(--rte-button-hover)}.rte-preview-toggle__btn--active{background:var(--rte-accent);color:#fff}.rte-preview-toggle__btn:focus-visible{outline:2px solid var(--rte-accent);outline-offset:-2px;box-shadow:0 0 0 3px var(--rte-focus-ring);z-index:1}.rte-body{display:flex}.rte-body .rte-content{flex:1 1;min-width:0}.rte-body--split .rte-content{flex:1 1;border-right:1px solid var(--rte-toolbar-border)}.rte-body--split .rte-preview{flex:1 1}.rte-preview{display:flex;flex-direction:column;min-width:0;overflow:hidden}.rte-preview__header{display:flex;align-items:center;justify-content:space-between;padding:6px 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code{background:transparent;padding:0;font-size:inherit;color:inherit}.rte-preview__empty{color:var(--rte-placeholder);font-style:italic}*,:after,:before{box-sizing:border-box;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}.app{min-height:100vh;transition:background-color .2s,color .2s}.app[data-theme=light]{background-color:#f8f9fa;color:#1a1a1a}.app[data-theme=dark]{background-color:#1a1b26;color:#c0caf5}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px}[data-theme=light] .header{border-bottom:1px solid #dee2e6}[data-theme=dark] .header{border-bottom:1px solid #2f3348}.header__title{font-size:1.25rem}.header__actions{display:flex;gap:8px}.btn{padding:6px 14px;border-radius:6px;cursor:pointer;font-size:.875rem;font-family:inherit;transition:background-color .15s,border-color .15s}[data-theme=light] .btn{border:1px solid #ced4da;background-color:#fff;color:#1a1a1a}[data-theme=light] 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