:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg-dark: #0f172a;--bg-card: rgba(30, 41, 59, .7);--text-main: #f8fafc;--text-muted: #94a3b8;--border: rgba(255, 255, 255, .1);--glass: rgba(255, 255, 255, .05);--accent-s: #ef4444;--accent-e: #22c55e;--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--transition: all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-main);overflow:hidden;height:100vh;width:100vw}#root{height:100%;width:100%}.app-container{display:flex;height:100vh;width:100vw;flex-direction:column}.main-content{display:flex;flex:1;position:relative;overflow:hidden}.canvas-wrapper{flex:1;position:relative;background-color:#1e293b;cursor:crosshair;overflow:hidden;display:flex;align-items:center;justify-content:center}.ui-overlay{position:absolute;inset:0;pointer-events:none;z-index:10;display:flex;flex-direction:column}.ui-overlay>*{pointer-events:auto}.glass-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.flex-center{display:flex;align-items:center;justify-content:center}button{cursor:pointer;border:none;background:none;color:inherit;font-family:inherit;transition:var(--transition)}button:active{transform:scale(.95)}input[type=range]{accent-color:var(--primary)}@media(max-width:768px){.toolbar-container{top:auto!important;bottom:20px!important;left:50%!important;transform:translate(-50%)!important;width:90%!important;justify-content:center;flex-wrap:wrap;gap:8px!important;padding:8px!important}.layer-panel-container{top:60px!important;right:10px!important;width:160px!important;max-height:40vh!important;padding:10px!important}.helper-text{display:none!important}.app-header{font-size:.8em;left:10px!important;top:10px!important}}