@import "https://fonts.googleapis.com/css2?family=Inconsolata:wght@400;500;600&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-dark:#0d1117;--bg-panel:#161b22;--bg-editor:#0d1117;--bg-hover:#21262d;--bg-active:#1f2428;--text-main:#c9d1d9;--text-muted:#8b949e;--accent:#58a6ff;--accent-hover:#79c0ff;--border-muted:#30363d;--success:#3fb950;--error:#f85149}*{box-sizing:border-box}body{background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;margin:0;font-family:Inconsolata,monospace;overflow:hidden}.app-container{background:var(--bg-dark);flex-direction:column;width:100vw;height:100vh;display:flex}.header{background:var(--bg-panel);border-bottom:1px solid var(--border-muted);z-index:20;justify-content:space-between;align-items:center;height:48px;padding:0 16px;display:flex}.logo-container{align-items:center;gap:12px;display:flex}.logo-icon{color:var(--text-main);justify-content:center;align-items:center;display:flex}.title{letter-spacing:.2px;color:var(--text-main);font-size:.9rem;font-weight:500}.status-panel{align-items:center;gap:16px;font-size:.8rem;display:flex}.user-count-badge,.status-badge{color:var(--text-muted);align-items:center;gap:6px;display:flex}.status-badge.connected{color:var(--success)}.status-badge.disconnected{color:var(--error)}.pulse{background:currentColor;border-radius:50%;width:6px;height:6px}.connected .pulse{animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}.main-content{flex:1;display:flex;overflow:hidden}.sidebar{background:var(--bg-editor);border-right:1px solid var(--border-muted);z-index:10;flex-direction:column;width:260px;display:flex}.sidebar-header{color:var(--text-main);text-transform:uppercase;justify-content:space-between;align-items:center;padding:12px 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.file-name{color:var(--accent)}.file-actions{opacity:0;gap:2px;display:flex}.sidebar-item:hover .file-actions{opacity:1}.icon-btn-small{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px;display:flex}.icon-btn-small:hover{background:var(--border-muted);color:var(--text-main)}.icon-btn-small.danger:hover{color:var(--error);background:#f851491a}.editor-workspace{background:var(--bg-editor);z-index:1;flex-direction:column;flex:1;display:flex;position:relative}.editor-tabs{background:var(--bg-editor);display:flex}.tab{color:var(--text-muted);cursor:pointer;border-right:1px solid var(--border-muted);background:var(--bg-editor);border-top:1px solid #0000;align-items:center;gap:8px;padding:10px 16px;font-size:.8rem;display:flex}.tab:hover{background:var(--bg-hover)}.tab.active-tab{color:var(--accent);border-top:1px solid var(--accent);background:var(--bg-editor)}.editor-container{flex:1;overflow:auto}.landing-page{background:var(--bg-editor);flex:1;justify-content:center;align-items:center;display:flex}.landing-content{flex-direction:column;align-items:flex-start;max-width:480px;padding:40px;display:flex}.landing-icon-wrapper{color:var(--border-muted);margin-bottom:24px}.landing-content h2{color:var(--text-main);margin:0 0 12px;font-size:1.5rem;font-weight:400}.landing-content p{color:var(--text-muted);margin-bottom:24px;font-size:.9rem;line-height:1.5}.primary-btn{background:var(--border-muted);color:var(--text-main);cursor:pointer;border:none;border-radius:4px;align-items:center;gap:8px;padding:8px 16px;font-size:.85rem;font-weight:500;transition:background .1s;display:inline-flex}.primary-btn:hover{background:#484f58}.cm-theme-one-dark .cm-editor{height:100%;background-color:var(--bg-editor)!important}.cm-scroller{font-size:14px;line-height:1.6;font-family:JetBrains 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