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200deg,#5c3a1e,#8b6914,#daa520,gold,#fff8dc,gold,#daa520,#b8860b,#704214,#5c3a1e);box-shadow:3px 5px 14px #0009,inset -1px -1px 3px #0006,inset 1px 1px 3px #ffffc859,inset 0 0 10px 5px #00000040;transition:box-shadow var(--transition-slow)}.token-border-ring:hover{box-shadow:3px 5px 14px #0009,inset -1px -1px 3px #0006,inset 1px 1px 3px #ffffc859,inset 0 0 10px 5px #00000040,0 0 30px 5px #d4a8531f}.token-border-ring.border-none{background:transparent;box-shadow:none}.token-border-ring.border-none:hover{box-shadow:none}.token-border-ring.border-gold{background:conic-gradient(from 200deg,#5c3a1e,#8b6914,#daa520,gold,#fff8dc,gold,#daa520,#b8860b,#704214,#5c3a1e)}.token-border-ring.border-silver{background:conic-gradient(from 200deg,#3a3a3a,#606060,#a8a9ad,silver,#e8e8e8,silver,#a8a9ad,#71797e,#505050,#3a3a3a)}.token-border-ring.border-silver:hover{box-shadow:3px 5px 14px #0009,inset -1px -1px 3px #0006,inset 1px 1px 3px #ffffc859,inset 0 0 10px 5px #00000040,0 0 30px 5px #a8a9ad1f}.token-border-ring.border-bronze{background:conic-gradient(from 200deg,#4a2c0a,#6b3a1f,#8c5828,#b87333,#dca06d,#b87333,#8c5828,#6b3a1f,#4a2c0a,#4a2c0a)}.token-border-ring.border-bronze:hover{box-shadow:3px 5px 14px #0009,inset -1px -1px 3px #0006,inset 1px 1px 3px #ffffc859,inset 0 0 10px 5px #00000040,0 0 30px 5px #b873331f}.token-border-ring.border-iron{background:conic-gradient(from 200deg,#1a1a1a,#2c2c2c,#4a4a4a,#5c5c5c,#7a7a7a,#5c5c5c,#4a4a4a,#2c2c2c,#1a1a1a,#1a1a1a)}.token-border-ring.border-iron:hover{box-shadow:3px 5px 14px #0009,inset -1px -1px 3px #0006,inset 1px 1px 3px #ffffc859,inset 0 0 10px 5px #00000040,0 0 30px 5px #5c5c5c26}.token-preview-circle{width:100%;height:100%;border-radius:50%;overflow:hidden;background:repeating-conic-gradient(#fff 0% 25%,#ececea 0% 50%) 50% / 20px 20px;display:flex;align-items:center;justify-content:center;cursor:grab;user-select:none;position:relative}.token-preview-circle:after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:var(--inner-shadow, inset 0 0 12px 4px rgba(0, 0, 0, .6));z-index:5;pointer-events:none}.token-preview-circle:active{cursor:grabbing}.token-preview-img{width:100%;height:100%;object-fit:contain;pointer-events:none}.controls-panel{width:320px;min-width:320px;background:var(--bg-primary);border-left:1px solid var(--border);overflow-y:auto;padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-lg)}.control-section{background:var(--bg-card);border-radius:var(--radius);padding:var(--space-lg);border:1px solid var(--border);position:relative;animation:fadeSlideUp .3s ease both}.control-section:nth-child(2){animation-delay:50ms}.control-section:nth-child(3){animation-delay:.1s}.control-section:nth-child(4){animation-delay:.15s}.control-section:before{content:none}.control-section h3{font-family:var(--font-display);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--border-subtle)}.slider-group{margin-bottom:var(--space-md)}.btn-collapse{display:flex;align-items:center;gap:6px;width:100%;background:none;border:none;color:var(--text-secondary);font-size:.78rem;font-weight:600;cursor:pointer;padding:6px 0;margin-top:var(--space-sm);transition:color var(--transition-base)}.btn-collapse:hover{color:var(--accent)}.collapse-arrow{display:inline-block;font-size:.7rem;transition:transform var(--transition-base)}.collapse-arrow.open{transform:rotate(90deg)}.advanced-tools{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border);animation:fadeSlideUp .2s ease}.slider-group label{display:flex;justify-content:space-between;font-size:.82rem;margin-bottom:6px;color:var(--text-secondary)}.slider-group label span{color:var(--accent);font-weight:600;font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px var(--space-lg);border-radius:var(--radius);border:none;font-size:.82rem;font-weight:600;letter-spacing:.01em;transition:all var(--transition-base);position:relative}.btn-primary{background:var(--accent);color:var(--text-on-accent);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--accent-dim);background:var(--bg-card);transform:translateY(-1px)}.btn-secondary:active{transform:translateY(0)}.btn-full{width:100%}.toggle-group{display:flex;border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}.toggle-group button:first-child{border-radius:var(--radius) 0 0 var(--radius)}.toggle-group button:last-child{border-radius:0 var(--radius) var(--radius) 0}.toggle-group button{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:4px;padding:8px var(--space-md);border:none;background:var(--bg-card);color:var(--text-secondary);font-size:.78rem;font-weight:600;transition:all var(--transition-base)}.toggle-group button:not(:last-child){border-right:1px solid var(--border)}.toggle-group button:not(.active):hover{background:var(--bg-elevated);color:var(--text-primary)}.toggle-group button.active{background:var(--accent);color:var(--text-on-accent)}.toggle-group .material-btn.active[data-material=gold]{background:linear-gradient(135deg,#8b6914,#daa520);color:#fff;box-shadow:inset 0 0 12px #daa5204d}.toggle-group .material-btn.active[data-material=silver]{background:linear-gradient(135deg,#606060,#a8a9ad);color:#fff;box-shadow:inset 0 0 12px #a8a9ad4d}.toggle-group .material-btn.active[data-material=bronze]{background:linear-gradient(135deg,#6b3a1f,#b87333);color:#fff;box-shadow:inset 0 0 12px #b873334d}.toggle-group .material-btn.active[data-material=iron]{background:linear-gradient(135deg,#2c2c2c,#5c5c5c);color:#ccc;box-shadow:inset 0 0 12px #5c5c5c40}.fade-curve-select{width:100%;padding:8px var(--space-md);border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-card);color:var(--text-primary);font-size:.82rem;font-weight:500;cursor:pointer;transition:border-color var(--transition-base)}.fade-curve-select:hover{border-color:var(--accent-dim)}.fade-curve-select:focus-visible{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 2px var(--accent-glow)}.tool-info{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;margin-left:5px;border-radius:50%;border:1px solid currentColor;font-size:.55rem;font-weight:700;line-height:1;opacity:.4;cursor:help;vertical-align:middle;transition:opacity var(--transition-fast)}.tool-info:hover{opacity:.8;color:var(--accent)}.tool-tip-popup{position:fixed;background:var(--text-primary);color:#fff;border:none;border-radius:var(--radius);padding:10px var(--space-md);font-size:.72rem;font-weight:400;line-height:1.5;width:220px;white-space:normal;z-index:9999;pointer-events:none;box-shadow:var(--shadow-lg);animation:tooltipFadeIn .15s ease}@keyframes tooltipFadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.step-3d{display:flex;flex:1;overflow:hidden;animation:stepFadeIn .3s ease}.step-3d .controls-panel{border-left:none;border-right:1px solid var(--border)}.image-preview{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:repeating-conic-gradient(#fff 0% 25%,#ececea 0% 50%) 50% / 12px 12px}.image-preview img{width:100%;display:block}.image-preview .remove-btn{position:absolute;top:6px;right:6px;width:24px;height:24px;border-radius:50%;border:none;background:#000000b3;color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}.preview-area{flex:1;position:relative;display:flex;align-items:center;justify-content:center;background:var(--bg-viewer)}.preview-area canvas{width:100%!important;height:100%!important;outline:none}.building-3d-indicator{position:absolute;bottom:var(--space-md);left:var(--space-md);display:flex;align-items:center;gap:var(--space-sm);background:#ffffffd9;backdrop-filter:blur(6px);padding:var(--space-xs) var(--space-md);border-radius:var(--radius-lg);border:1px solid var(--border);color:var(--text-secondary);font-size:.8rem;pointer-events:none;animation:fadeIn var(--transition-fast) ease}.processing-overlay{position:fixed;inset:0;background:#fafaf7d9;backdrop-filter:blur(6px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:50;animation:fadeIn var(--transition-slow) ease}.processing-overlay p{color:var(--text-secondary);font-size:.9rem;margin-top:var(--space-lg)}.spinner{width:44px;height:44px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-backdrop{position:fixed;inset:0;background:#1c1c2273;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn var(--transition-slow) ease}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-2xl);max-width:480px;width:90%;box-shadow:var(--shadow-lg);animation:modalSlideUp var(--transition-slow) ease;position:relative}.modal:before{content:"";position:absolute;top:0;left:var(--space-2xl);right:var(--space-2xl);height:2px;background:var(--accent);border-radius:2px;opacity:.6}.modal h2{font-family:var(--font-display);font-size:1.2rem;font-weight:600;margin-bottom:var(--space-md);color:var(--text-primary);letter-spacing:-.01em}.modal p{color:var(--text-secondary);font-size:.88rem;margin-bottom:var(--space-xl);line-height:1.7}.progress-bar-container{background:var(--border-subtle);border-radius:4px;overflow:hidden;height:8px;margin-bottom:var(--space-sm);border:1px solid var(--border)}.progress-bar{height:100%;background:var(--accent);border-radius:4px;transition:width .3s}.progress-bar.indeterminate{width:100%!important;animation:indeterminate 1.5s ease-in-out infinite;background:linear-gradient(90deg,transparent,var(--accent),transparent);background-size:200% 100%}@keyframes indeterminate{0%{background-position:-200% 0}to{background-position:200% 0}}.progress-status-row{display:flex;align-items:center;gap:var(--space-sm)}.spinner-small{width:14px;height:14px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}.progress-status{font-size:.8rem;color:var(--text-secondary)}.download-section{display:flex;flex-direction:column;gap:var(--space-sm);margin-top:var(--space-sm)}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px var(--space-md);border-radius:20px;font-size:.7rem;font-weight:600;letter-spacing:.02em}.status-badge.ready{background:#2f9e8a1a;color:var(--success);border:1px solid rgba(47,158,138,.25)}.status-badge.loading{background:#b97a2c1a;color:var(--accent);border:1px solid rgba(185,122,44,.25);animation:statusPulse 2s ease-in-out infinite}.status-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.status-badge.ready .status-dot{background:var(--success)}.status-badge.loading .status-dot{background:var(--accent);animation:dotPulse 1.5s ease infinite}@keyframes statusPulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes dotPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}.color-picker-group label{display:block;font-size:.82rem;margin-bottom:6px;color:var(--text-secondary)}.color-picker-row{display:flex;align-items:center;gap:var(--space-sm)}.color-input{width:32px;height:32px;border:1px solid var(--border);border-radius:6px;padding:0;cursor:pointer;background:none;transition:border-color var(--transition-fast)}.color-input:hover{border-color:var(--accent-dim)}.color-input::-webkit-color-swatch-wrapper{padding:2px}.color-input::-webkit-color-swatch{border:none;border-radius:3px}.color-value{font-size:.78rem;color:var(--text-muted);font-family:var(--font-body);font-variant-numeric:tabular-nums}.color-clear-btn{width:22px;height:22px;border-radius:50%;border:1px solid var(--border);background:var(--bg-card);color:var(--text-muted);font-size:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;transition:all var(--transition-fast)}.color-clear-btn:hover{border-color:var(--danger);color:var(--danger);background:#c0392b14}.mask-editor-overlay{position:absolute;inset:0;border-radius:50%;overflow:hidden;z-index:10;cursor:crosshair}.mask-editor-canvas{width:100%;height:100%;display:block}.brush-cursor{position:absolute;border:2px solid rgba(255,255,255,.8);border-radius:50%;pointer-events:none;box-shadow:0 0 0 1px #0006}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes stepFadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.debug-panel{position:fixed;bottom:16px;right:16px;z-index:9999;background:red;border:4px dashed #ffff00;border-radius:8px;padding:12px 16px;display:flex;flex-direction:column;gap:8px;min-width:200px}.debug-panel-title{color:#ff0;font-size:1.1rem;font-weight:900;text-align:center;letter-spacing:3px;text-transform:uppercase}.debug-btn{padding:10px 16px;font-size:.95rem;font-weight:700;background:#ff0;color:#000;border:3px solid #000;border-radius:6px;cursor:pointer}.debug-btn:hover{background:#fc0}.debug-btn:disabled{opacity:.4;cursor:not-allowed}.debug-checkbox{display:flex;align-items:center;gap:8px;color:#fff;font-size:.9rem;font-weight:700;cursor:pointer}.debug-cache-section{border-top:2px dashed #ffff00;padding-top:8px;margin-top:4px}.debug-cache-title{color:#ff0;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}.debug-cache-model{display:flex;align-items:center;gap:6px;padding:4px 0;font-size:.75rem;color:#fff;flex-wrap:wrap}.debug-cache-dot{width:8px;height:8px;border-radius:50%;background:#666;flex-shrink:0}.debug-cache-dot.cached{background:#4ecdc4}.debug-cache-name{flex:1;min-width:0;font-weight:600}.debug-cache-size{color:#ccc;font-size:.7rem;white-space:nowrap}.debug-cache-total{color:#ff0;font-size:.75rem;font-weight:700;text-align:right;margin-top:4px;padding-top:4px;border-top:1px solid rgba(255,255,0,.3)}.debug-cache-loading{color:#ccc;font-size:.75rem;font-style:italic}.debug-btn-danger{background:#c33!important;color:#fff!important;border-color:#900!important;margin-top:6px}.debug-btn-danger:hover{background:#f44!important}.cellular-warning{color:var(--danger);font-size:.82rem;padding:var(--space-md);border:1px solid rgba(233,69,96,.3);border-radius:var(--radius);background:#e9456014;margin-bottom:var(--space-md)}@media(max-width:768px){.app-header{flex-wrap:wrap;gap:var(--space-sm);padding:var(--space-sm) var(--space-md)}.app-header h1{font-size:1.1rem}.app-header .subtitle{display:none}.header-right{gap:var(--space-sm)}.step-btn{padding:6px 12px;font-size:.72rem}.status-badge{font-size:.65rem;padding:3px 8px}.app-body{flex-direction:column;overflow-y:auto;overflow-x:hidden}.step-2d{flex-direction:column;overflow:visible}.preview-2d{flex:none;min-height:50vh;padding:var(--space-md)}.controls-panel{width:100%;min-width:0;border-left:none;border-top:1px solid var(--border);padding:var(--space-md);overflow-y:visible}.token-border-ring{--token-size: min(85cqw, 85cqh, 400px);padding:14px}.token-preview-wrapper{padding:var(--space-md)}.drop-zone-large{width:min(260px,65vw);height:min(260px,65vw)}.drop-zone-large .drop-icon{font-size:2rem}.drop-zone-large p{font-size:.82rem}.step-3d{flex-direction:column;overflow:visible}.step-3d .controls-panel{width:100%;min-width:0;border-right:none;border-bottom:1px solid var(--border);max-height:45vh;overflow-y:auto}.preview-area{min-height:50vh}input[type=range]::-webkit-slider-thumb{width:24px;height:24px}input[type=range]::-moz-range-thumb{width:24px;height:24px}.toggle-group button{padding:10px var(--space-sm);font-size:.74rem}.btn{padding:12px var(--space-lg);font-size:.84rem}.modal{width:95%;padding:var(--space-xl)}.debug-panel{bottom:8px;right:8px;min-width:160px;padding:8px 10px}.step-2d.mask-editing .preview-2d{min-height:75vh;padding:var(--space-sm)}.step-2d.mask-editing .token-border-ring{width:min(480px,85vw);height:min(480px,85vw)}}@media(max-width:360px){.app-header h1{font-size:.95rem}.status-badge{display:none}.step-btn{padding:5px 8px;font-size:.65rem}.token-border-ring{width:min(280px,60vw);height:min(280px,60vw);padding:10px}.drop-zone-large{width:min(220px,60vw);height:min(220px,60vw)}}.nudge-backdrop{position:fixed;inset:0;background:#1c1c2259;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:120;animation:fadeIn var(--transition-slow) ease}.nudge{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-xl);max-width:420px;width:90%;box-shadow:var(--shadow-lg);animation:modalSlideUp var(--transition-slow) ease}.nudge p{margin:0 0 var(--space-lg);font-size:.95rem;line-height:1.5;color:var(--text)}.nudge-actions{display:flex;justify-content:flex-end;gap:var(--space-sm)}