: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}}:root{--bg-color: #2c2c2c;--panel-bg-color: #383838;--border-color: #4a4a4a;--text-color: #e0e0e0;--accent-color: #00aaff;--shadow-light: #444;--shadow-dark: #222}body{background-color:var(--bg-color);color:var(--text-color);margin:0;font-family:sans-serif}.app-container{display:flex;height:100vh;width:100vw}.toolbar{width:250px;background-color:var(--panel-bg-color);padding:1rem;border-right:1px solid var(--border-color);box-shadow:inset -5px 0 5px -5px var(--shadow-dark);display:flex;flex-direction:column;gap:1rem}.toolbar h2{margin-top:0;text-align:center;color:var(--accent-color);text-shadow:1px 1px 2px var(--shadow-dark)}.canvas-area{flex-grow:1;display:flex;justify-content:center;align-items:center;background-color:var(--bg-color);padding:1rem}canvas{max-width:100%;max-height:100%;box-shadow:0 0 15px 5px var(--shadow-dark);border:1px solid var(--border-color)}input[type=file]{display:none}.file-upload-label{display:block;padding:12px 20px;background-color:var(--panel-bg-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:5px;text-align:center;cursor:pointer;font-weight:700;box-shadow:3px 3px 5px var(--shadow-dark),-3px -3px 5px var(--shadow-light);transition:all .1s ease-in-out}.file-upload-label:hover{background-color:var(--accent-color);color:#fff}.file-upload-label:active{box-shadow:inset 3px 3px 5px var(--shadow-dark),inset -3px -3px 5px var(--shadow-light);font-size:.98em}.tool-button{padding:12px 20px;background-color:var(--panel-bg-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:5px;text-align:center;cursor:pointer;font-weight:700;box-shadow:3px 3px 5px var(--shadow-dark),-3px -3px 5px var(--shadow-light);transition:all .1s ease-in-out}.tool-button:hover{background-color:var(--accent-color);color:#fff}.tool-button:active{box-shadow:inset 3px 3px 5px var(--shadow-dark),inset -3px -3px 5px var(--shadow-light);font-size:.98em}.tool-button:disabled{background-color:#444;color:#888;cursor:not-allowed;box-shadow:none}