.say-tts-wrapper{display:inline-flex;align-items:center;gap:4px;background-color:#f0f8ff;padding:2px 6px;border-radius:4px;border:1px solid #b0d4f1}.say-tts-text{font-weight:500;color:#1a5490}.say-tts-button{background:none;border:none;cursor:pointer;padding:0;font-size:16px;line-height:1;display:inline-flex;align-items:center;justify-content:center;transition:transform .1s ease}.say-tts-button:hover{transform:scale(1.2)}.say-tts-button:active{transform:scale(.95)}.say-tts-button:focus{outline:2px solid #4a90e2;outline-offset:2px;border-radius:2px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}.app{min-height:100vh;padding:20px}.container{max-width:1400px;margin:0 auto}h1{color:#333;margin-bottom:10px;font-size:2.5em}.subtitle{color:#666;margin-bottom:30px;font-size:1.1em}.editor-container{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}@media (max-width: 900px){.editor-container{grid-template-columns:1fr}}.editor-panel,.preview-panel{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 8px #0000001a}h2{color:#444;margin-bottom:15px;font-size:1.5em;border-bottom:2px solid #4a90e2;padding-bottom:10px}.markdown-input{width:100%;min-height:500px;padding:15px;border:1px solid #ddd;border-radius:4px;font-family:Monaco,Courier New,monospace;font-size:14px;resize:vertical;line-height:1.6}.markdown-input:focus{outline:none;border-color:#4a90e2;box-shadow:0 0 0 3px #4a90e21a}.markdown-output{min-height:500px;line-height:1.8}.markdown-output h1{font-size:2em;margin-top:0;margin-bottom:15px}.markdown-output h2{font-size:1.5em;margin-top:25px;margin-bottom:15px}.markdown-output h3{font-size:1.25em;margin-top:20px;margin-bottom:10px}.markdown-output p{margin-bottom:15px}.markdown-output ul{margin-left:20px;margin-bottom:15px}.markdown-output li{margin-bottom:8px}.markdown-output code{background-color:#f0f0f0;padding:2px 6px;border-radius:3px;font-family:Monaco,Courier New,monospace;font-size:.9em}.info-box{background:#e8f4f8;border-left:4px solid #4a90e2;padding:20px;border-radius:4px;margin-top:20px}.info-box h3{color:#2c5f7f;margin-bottom:10px}.info-box code{display:block;background:#fff;padding:10px;border-radius:4px;margin:10px 0;font-family:Monaco,Courier New,monospace;color:#d63384}.info-box p{color:#555;margin-top:10px}