@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Roboto+Mono:wght@400;500&display=swap";:root{--bg-color:#fff;--panel-bg:#fff9;--panel-border:#0000000d;--text-main:#111827;--text-muted:#6b7280;--accent-color:#000;--accent-hover:#374151;--font-sans:"Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-sans);-webkit-user-select:none;user-select:none;-webkit-font-smoothing:antialiased;overflow:hidden}.canvas-container{z-index:1;width:100vw;height:100vh;position:absolute;top:0;left:0}.fluid-canvas{width:100%;height:100%;display:block}.control-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(20px)saturate(150%);border:1px solid var(--panel-border);z-index:10;pointer-events:auto;border-radius:24px;flex-direction:column;gap:20px;width:320px;padding:24px;transition:opacity .3s,transform .3s cubic-bezier(.4,0,.2,1);display:flex;position:absolute;top:24px;right:24px;box-shadow:0 10px 40px #0000000d}.control-panel.hidden{opacity:0;pointer-events:none;transform:translateY(-20px)}.ui-toggle{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--panel-border);z-index:20;cursor:pointer;width:40px;height:40px;color:var(--text-main);background:#fffc;border-radius:50%;justify-content:center;align-items:center;font-size:1.2rem;transition:all .2s;display:flex;position:absolute;top:24px;right:24px;box-shadow:0 4px 12px #0000000d}.ui-toggle:hover{background:#fff;transform:scale(1.05)}.panel-header{margin-bottom:8px}.panel-title{letter-spacing:-.02em;margin-bottom:4px;font-size:1.25rem;font-weight:600}.panel-subtitle{color:var(--text-muted);font-size:.85rem}.separator{background:#0000000d;height:1px;margin:4px 0}.control-group{flex-direction:column;gap:12px;display:flex}.control-label{color:var(--text-muted);letter-spacing:.05em;text-transform:uppercase;justify-content:space-between;margin-bottom:8px;font-size:.75rem;font-weight:600;display:flex}.control-value{color:var(--text-main);font-weight:500}input[type=range]{-webkit-appearance:none;background:0 0;width:100%}input[type=range]:focus{outline:none}input[type=range]::-webkit-slider-runnable-track{cursor:pointer;background:#0000001a;border-radius:2px;width:100%;height:2px}input[type=range]::-webkit-slider-thumb{background:var(--accent-color);cursor:pointer;-webkit-appearance:none;border-radius:50%;width:14px;height:14px;margin-top:-6px;transition:transform .2s,box-shadow .2s}input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.2);box-shadow:0 0 0 4px #0000000d}.action-btn{background:var(--accent-color);color:#fff;letter-spacing:.05em;cursor:pointer;border:none;border-radius:12px;width:100%;padding:12px;font-size:.85rem;font-weight:600;transition:all .2s}.action-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}.action-btn:active{transform:translateY(0)}.hint-text{text-align:center;color:var(--text-muted);margin-top:8px;font-size:.7rem;display:block}.color-picker-wrapper{background:#00000005;border:1px solid #0000000d;border-radius:12px;align-items:center;gap:12px;padding:8px 12px;display:flex}.color-input{-webkit-appearance:none;cursor:pointer;background:0 0;border:none;border-radius:50%;width:28px;height:28px;padding:0}.color-input::-webkit-color-swatch-wrapper{padding:0}.color-input::-webkit-color-swatch{border:2px solid #0000001a;border-radius:50%}.color-hex{color:var(--text-main);font-family:monospace;font-size:.85rem;font-weight:500}