:root{--bg-page: #0b0713;--bg-canvas: #0a0711;--bg-panel: #150f24;--bg-card: #171028;--border-panel: #8b5cf6;--accent-primary: #a855f7;--accent-secondary: #10b981;--text-primary: #ffffff;--text-secondary: #9ca3af;--track-inactive: #4b5563;--font: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg-page);color:var(--text-primary);font-family:var(--font);display:flex;flex-direction:column;overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;background:linear-gradient(90deg,#8b5cf629,#8b5cf60a);border-bottom:1px solid rgba(139,92,246,.35);flex:none}.topbar h1{margin:0;font-size:16px;letter-spacing:.08em;font-weight:800}.topbar .logo{margin-right:6px}.topbar .accent{color:var(--accent-primary)}.topbar-actions{display:flex;gap:10px}.layout{flex:1;display:flex;min-height:0}.viewer-wrap{position:relative;flex:1;min-width:0}#viewer-box{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(rgba(139,92,246,.05) 1px,transparent 1px) 0 0 / 90px 90px,linear-gradient(90deg,rgba(139,92,246,.05) 1px,transparent 1px) 0 0 / 90px 90px,radial-gradient(ellipse at 50% 35%,#140d24 0%,var(--bg-canvas) 70%)}#viewer-box canvas{display:block}#viewer-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--text-secondary);font-size:13px;letter-spacing:.1em;text-transform:uppercase;line-height:1.8;pointer-events:none}#fit-btn{position:absolute;right:14px;bottom:14px}.sidebar{width:320px;flex:none;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px;background:#150f2480;border-left:1px solid rgba(139,92,246,.25)}.card{background:var(--bg-card);border:1px solid rgba(139,92,246,.28);border-radius:14px;padding:16px;box-shadow:0 0 18px #8b5cf614}.card h2{display:flex;align-items:center;gap:10px;margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.04em}.chip{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;font-size:14px;flex:none}.chip-blue{background:linear-gradient(135deg,#6366f1,#8b5cf6)}.chip-pink{background:linear-gradient(135deg,#ec4899,#f97316)}.chip-red{background:linear-gradient(135deg,#ef4444,#ec4899)}.chip-green{background:linear-gradient(135deg,#10b981,#22d3ee)}.chip-purple{background:linear-gradient(135deg,#a855f7,#6366f1)}.field-label{display:block;font-size:11px;color:var(--text-secondary);letter-spacing:.06em;margin:12px 0 6px}.card h2+.field-label{margin-top:0}.btn{font-family:var(--font);font-size:12px;letter-spacing:.05em;color:var(--text-primary);background:#ffffff0a;border:1px solid rgba(139,92,246,.5);border-radius:9px;padding:8px 16px;cursor:pointer;transition:background .15s,box-shadow .15s}.btn:hover:not(:disabled){background:#a855f72e;box-shadow:0 0 12px #a855f74d}.btn:disabled{border-color:var(--track-inactive);color:var(--track-inactive);cursor:not-allowed}.btn-small{padding:5px 12px;font-size:11px}.btn-wide{display:block;width:100%;margin-bottom:8px;padding:10px 16px}.btn-accent{background:linear-gradient(135deg,#7c3aedd9,#a855f7d9);border-color:transparent}.btn-accent:hover:not(:disabled){background:linear-gradient(135deg,#7c3aed,#a855f7)}.btn-primary{background:linear-gradient(135deg,#7c3aedd9,#a855f7d9);border-color:transparent;font-weight:700}.select,input[type=text]{width:100%;background:var(--bg-page);color:var(--text-primary);border:1px solid rgba(75,85,99,.8);border-radius:9px;padding:9px 10px;font-family:var(--font);font-size:13px}.select:focus,input[type=text]:focus{outline:none;border-color:var(--accent-primary)}.select{margin-top:8px}.hint{color:var(--text-secondary);font-size:10.5px;line-height:1.5;margin:6px 0 0}.color-row{display:flex;gap:10px}.color-box{flex:1;display:flex;align-items:center;gap:8px;background:#ffffff08;border:1px solid rgba(75,85,99,.5);border-radius:9px;padding:7px 9px;cursor:pointer}.color-box span{font-size:11.5px;color:var(--text-secondary)}input[type=color]{width:34px;height:26px;padding:1px;background:transparent;border:1px solid rgba(75,85,99,.6);border-radius:6px;cursor:pointer}.toggle-row{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:12px;margin-bottom:4px}.toggle-row input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent-secondary);cursor:pointer}.hint-inline{color:var(--text-secondary);font-style:normal;font-size:10.5px}#ring-controls.off{opacity:.35;pointer-events:none}.slider-field{margin:12px 0 2px}.slider-field label{display:flex;justify-content:space-between;align-items:baseline;font-size:11px;color:var(--text-secondary);letter-spacing:.06em;margin-bottom:6px}.slider-field .val{color:var(--accent-secondary);font-size:11px}input[type=range]{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:4px;border-radius:2px;background:var(--track-inactive);accent-color:var(--accent-primary);cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:15px;height:15px;border-radius:50%;background:var(--accent-primary);box-shadow:0 0 8px #a855f7b3}input[type=range]::-moz-range-thumb{width:15px;height:15px;border:none;border-radius:50%;background:var(--accent-primary)}.size-row{display:flex;justify-content:space-between;align-items:baseline;font-size:11px;letter-spacing:.06em;color:var(--text-secondary);margin-bottom:8px}.mono{font-size:12px}.accent2{color:var(--accent-secondary)}@media(max-width:760px){body{overflow:auto}.layout{flex-direction:column}.viewer-wrap{height:55vh;flex:none}.sidebar{width:100%;border-left:none}}