:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.markdown-editor{display:flex;flex-direction:column;height:100%;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;overflow:hidden}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f8f9fa;border-bottom:1px solid #e0e0e0}.word-count{font-size:14px;color:#666;font-weight:500}.toggle-preview{padding:6px 12px;background:#fff;border:1px solid #ddd;border-radius:4px;cursor:pointer;font-size:13px;transition:all .2s}.toggle-preview:hover{background:#f0f0f0}.editor-container{display:flex;flex:1;overflow:hidden}.editor-container.split{gap:1px;background:#e0e0e0}.editor-container.full .editor-pane{width:100%}.editor-pane{flex:1;display:flex;background:#fff}.editor-textarea{width:100%;height:100%;padding:20px;border:none;resize:none;font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,Consolas,Courier New,monospace;font-size:15px;line-height:1.6;outline:none;background:#fff}.editor-textarea::placeholder{color:#aaa}.preview-pane{flex:1;overflow-y:auto;background:#fafafa}.preview-content{padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.6;color:#333}.preview-placeholder{color:#aaa;font-style:italic}.preview-content h1,.preview-content h2,.preview-content h3,.preview-content h4,.preview-content h5,.preview-content h6{margin-top:24px;margin-bottom:12px;font-weight:600;line-height:1.3}.preview-content h1{font-size:2em;border-bottom:1px solid #eee;padding-bottom:8px}.preview-content h2{font-size:1.5em;border-bottom:1px solid #eee;padding-bottom:6px}.preview-content h3{font-size:1.25em}.preview-content p{margin-bottom:16px}.preview-content ul,.preview-content ol{margin-bottom:16px;padding-left:24px}.preview-content li{margin-bottom:4px}.preview-content code{background:#f0f0f0;padding:2px 6px;border-radius:3px;font-family:SF Mono,Monaco,Cascadia Code,monospace;font-size:.9em}.preview-content pre{background:#f6f8fa;padding:16px;border-radius:6px;overflow-x:auto;margin-bottom:16px}.preview-content pre code{background:none;padding:0}.preview-content blockquote{border-left:4px solid #ddd;padding-left:16px;margin-left:0;color:#666;font-style:italic}.preview-content a{color:#06c;text-decoration:none}.preview-content a:hover{text-decoration:underline}.preview-content table{border-collapse:collapse;width:100%;margin-bottom:16px}.preview-content th,.preview-content td{border:1px solid #ddd;padding:8px 12px;text-align:left}.preview-content th{background:#f6f8fa;font-weight:600}.stats-container{padding:24px;max-width:1000px;margin:0 auto}.stats-container h2{margin:0 0 24px;font-size:24px;color:#333}.stats-container h3{margin:32px 0 16px;font-size:18px;color:#555}.loading,.error{padding:40px;text-align:center;color:#666}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}.stat-card{background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 4px #0000001a;text-align:center}.stat-card.highlight{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.stat-value{font-size:36px;font-weight:700;margin-bottom:8px;color:inherit}.stat-label{font-size:14px;color:inherit;opacity:.9;text-transform:uppercase;letter-spacing:.5px}.recent-activity{background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.activity-list{display:flex;flex-direction:column;gap:12px}.activity-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#f8f9fa;border-radius:6px;transition:background .2s}.activity-item:hover{background:#e9ecef}.activity-date{font-weight:600;color:#333;min-width:100px}.activity-stats{display:flex;gap:16px;font-size:14px;color:#666}.activity-words{font-weight:500;color:#667eea}.activity-duration{color:#764ba2}.activity-sessions{color:#999}.refresh-button{margin-top:24px;padding:12px 24px;background:#667eea;color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.refresh-button:hover{background:#5568d3}@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}.activity-item{flex-direction:column;align-items:flex-start;gap:8px}.activity-stats{flex-wrap:wrap}}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#f5f5f5}#root{height:100vh;display:flex;flex-direction:column}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-header{background:#fff;padding:16px 24px;border-bottom:1px solid #e0e0e0;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-shrink:0}.app-title{margin:0;font-size:24px;color:#333;font-weight:600}.header-controls{display:flex;gap:8px}.nav-button{padding:8px 16px;background:transparent;border:1px solid #ddd;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;color:#666;transition:all .2s}.nav-button:hover{background:#f8f9fa}.nav-button.active{background:#667eea;color:#fff;border-color:#667eea}.session-controls{display:flex;align-items:center;gap:12px}.timer{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#f8f9fa;border-radius:6px;font-weight:600;color:#333}.timer-icon{font-size:18px}.timer-value{font-family:SF Mono,Monaco,monospace;font-size:16px}.control-button{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.control-button.start{background:#28a745;color:#fff}.control-button.start:hover{background:#218838}.control-button.stop{background:#dc3545;color:#fff}.control-button.stop:hover{background:#c82333}.control-button.new{background:#f8f9fa;color:#333;border:1px solid #ddd}.control-button.new:hover{background:#e9ecef}.app-main{flex:1;overflow:hidden;background:#f5f5f5}@media(max-width:768px){.app-header{flex-wrap:wrap;padding:12px 16px}.app-title{font-size:20px}.session-controls{width:100%;justify-content:space-between}.timer{flex:1}}