: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: #121212;--panel-bg: #1e1e1e;--text-main: #e0e0e0;--accent: #bb86fc;--accent-hover: #9955e8;--danger: #cf6679}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-main);font-family:Inter,system-ui,sans-serif;overflow:hidden}#root{width:100vw;height:100vh;display:flex}.app-container{display:flex;width:100%;height:100%}.sidebar{width:300px;background-color:var(--panel-bg);padding:20px;display:flex;flex-direction:column;gap:20px;box-shadow:2px 0 10px #00000080;overflow-y:auto;z-index:10}.sidebar h1{font-size:1.2rem;margin:0;color:var(--accent)}.control-group{display:flex;flex-direction:column;gap:10px;padding:10px 0;border-bottom:1px solid #333}.control-group label{font-size:.9rem;font-weight:500}button{background-color:#333;color:#fff;border:none;padding:10px;border-radius:6px;cursor:pointer;transition:all .2s;font-weight:500;display:flex;align-items:center;justify-content:center;gap:8px}button:hover{background-color:#444}button.primary{background-color:var(--accent);color:#000}button.primary:hover{background-color:var(--accent-hover)}button.danger{background-color:transparent;border:1px solid var(--danger);color:var(--danger)}button.danger:hover{background-color:var(--danger);color:#fff}button.active{background-color:var(--accent);color:#000}input[type=range]{width:100%;accent-color:var(--accent)}.canvas-area{flex:1;position:relative;background-color:#000;overflow:hidden;display:flex;align-items:center;justify-content:center;cursor:crosshair}canvas{box-shadow:0 0 20px #00000080;max-width:100%;max-height:100%}.upload-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:20}.loading-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000c;padding:20px;border-radius:10px;color:#fff;z-index:100}.stats-panel{font-size:.8rem;color:#888}.landmark-tooltip{position:absolute;background:#000c;color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;pointer-events:none;transform:translate(-50%,-120%);z-index:1000}