:root{--bg-main: #0a0a0c;--bg-panel: rgba(20, 20, 24, .7);--border-color: rgba(255, 255, 255, .08);--text-primary: #f4f4f7;--text-muted: #8e8e9a;--accent: #1dc2d1;--accent-glow: rgba(29, 194, 209, .3)}body{margin:0;padding:0;background-color:var(--bg-main);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{display:grid;grid-template-columns:1fr 380px;height:100vh;overflow:hidden}@media(max-width:960px){.app-container{grid-template-columns:1fr;grid-template-rows:45vh 55vh;height:100vh;overflow:hidden}.canvas-section{padding:1rem;height:100%;box-sizing:border-box;display:flex;overflow:auto}.sidebar{border-left:none;border-top:1px solid var(--border-color);height:100%;overflow-y:auto;box-sizing:border-box;padding:1.25rem;gap:1.25rem}}.canvas-section{display:flex;align-items:center;justify-content:center;padding:2rem;position:relative;overflow:auto;background:radial-gradient(circle at center,#111115 0%,var(--bg-main) 100%)}.sidebar{background:var(--bg-panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-left:1px solid var(--border-color);padding:1.5rem;overflow-y:auto;display:flex;flex-direction:column;gap:1.5rem}.panel-section{border-bottom:1px solid var(--border-color);padding-bottom:1.25rem}.panel-section:last-child{border-bottom:none}.panel-title{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.control-group{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}.control-label{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-primary)}input[type=range]{-webkit-appearance:none;width:100%;height:4px;border-radius:2px;background:#ffffff1a;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:0 0 8px var(--accent-glow)}.button-accent{background-color:var(--accent);color:#fff;border:none;border-radius:6px;padding:.6rem 1rem;font-size:.9rem;cursor:pointer;font-weight:500;transition:all .2s ease;width:100%;display:flex;align-items:center;justify-content:center;gap:.5rem}.button-accent:hover{filter:brightness(.9);box-shadow:0 0 12px var(--accent-glow)}.select-input{background:#ffffff0d;border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);padding:.5rem;font-size:.85rem;width:100%;outline:none}.accordion-item{border-bottom:1px solid var(--border-color);margin-bottom:.5rem}.accordion-header{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1rem;background:#ffffff05;color:var(--text-primary);font-weight:600;font-size:.9rem;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .2s ease,color .2s ease;border-radius:6px}.accordion-header:hover{background:#ffffff0d;color:var(--accent)}.accordion-header.active{color:var(--accent);background:#ffffff0a}.accordion-content{padding:1rem;background:#00000026;overflow:hidden;max-height:0;opacity:0;transition:max-height .3s cubic-bezier(.4,0,.2,1),opacity .25s ease,padding .3s ease}.accordion-content.open{max-height:1200px;opacity:1}.presets-list{max-height:180px;overflow-y:auto;display:flex;flex-direction:column;gap:.5rem;margin-top:1rem;padding-right:.25rem}.presets-list::-webkit-scrollbar{width:6px}.presets-list::-webkit-scrollbar-track{background:#ffffff05;border-radius:3px}.presets-list::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.presets-list::-webkit-scrollbar-thumb:hover{background:#fff3}.preset-row{display:flex;align-items:center;justify-content:space-between;padding:.5rem;background:#ffffff08;border:1px solid transparent;border-radius:4px;cursor:pointer;transition:all .2s ease}.preset-row:hover{background:#ffffff14;border-color:#ffffff26}.preset-bar{display:flex;height:12px;width:100px;border-radius:3px;overflow:hidden}.preset-bar-color{flex:1;height:100%}.swatch-row{display:flex;justify-content:space-between;gap:.5rem;margin-bottom:1rem}.swatch-circle{width:40px;height:40px;border-radius:50%;border:2px solid rgba(255,255,255,.2);cursor:pointer;transition:transform .2s ease,border-color .2s ease;position:relative;overflow:hidden}.swatch-circle:hover{transform:scale(1.1);border-color:var(--accent)}.swatch-input{position:absolute;top:-10px;left:-10px;width:60px;height:60px;cursor:pointer;opacity:0}.pulsing{animation:accentPulse 1.8s infinite ease-in-out}@keyframes accentPulse{0%{box-shadow:0 0 #1dc2d166}70%{box-shadow:0 0 0 8px #1dc2d100}to{box-shadow:0 0 #1dc2d100}}