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var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.info-icon:hover,.info-icon:focus-visible{color:var(--accent)}.global-tooltip{border:1px solid var(--color-border);-webkit-border-radius:var(--radius-sm);border-radius:var(--radius-sm);width:max-content;max-width:240px;color:var(--color-text-primary);text-align:center;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s var(--ease-out-expo), transform .2s var(--ease-out-expo);z-index:9999;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0a0a0af5;padding:8px 12px;font-size:.75rem;line-height:1.4;position:fixed;top:0;left:0;transform:translateY(4px);box-shadow:0 4px 16px #0009}.global-tooltip.visible{opacity:1;visibility:visible;transform:translateY(0)}.btn,.chip-btn{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-primary);-webkit-border-radius:var(--radius-md);border-radius:var(--radius-md);cursor:pointer;font-family:var(--font-display);white-space:nowrap;transition:background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);-webkit-tap-highlight-color:transparent;font-weight:600}.btn{min-height:44px;padding:0 1rem;font-size:.875rem}.chip-btn{-webkit-border-radius:var(--radius-full);border-radius:var(--radius-full);padding:.4rem .8rem;font-size:.78rem}.btn:hover,.chip-btn:hover{background:var(--color-surface-hover);border-color:var(--color-border-strong)}.btn.flash{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.text-input{background:var(--color-surface);border:1px solid var(--color-border);min-width:0;min-height:44px;color:var(--color-text-primary);-webkit-border-radius:var(--radius-md);border-radius:var(--radius-md);font-family:var(--font-body);flex:1;padding:0 .9rem;font-size:.875rem}.text-input::placeholder{color:var(--color-text-muted)}.text-input:focus{border-color:var(--color-border-strong);background:var(--color-surface-hover);outline:none}.text-input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.chip{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);-webkit-border-radius:var(--radius-full);border-radius:var(--radius-full);cursor:pointer;white-space:nowrap;transition:background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);-webkit-tap-highlight-color:transparent;padding:.35rem .8rem;font-size:.78rem;font-weight:500}.chip:hover{background:var(--color-surface-hover);color:#fff}.chip.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.icon-action{background:var(--color-surface);border:1px solid 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var(--transition-fast);-webkit-tap-highlight-color:transparent;flex-direction:column;display:flex}.bg-card:hover{background:var(--color-surface-hover);border-color:var(--color-border-strong);transform:translateY(-2px)}.bg-card.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent), 0 8px 24px #ccff001f}.bg-card-thumb{aspect-ratio:16/10;background-position:50%;background-size:cover;border-radius:10px;width:100%;display:block;position:relative;overflow:hidden}.bg-card-thumb img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.bg-card-meta{justify-content:space-between;align-items:center;gap:var(--space-2);padding:0 var(--space-1) var(--space-1);display:flex}.bg-card-name{font-family:var(--font-display);color:var(--color-text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:500;overflow:hidden}.cost-badge{flex:none;align-items:flex-end;gap:2px;display:inline-flex}.cost-badge i{background:#fff3;border-radius:2px;width:4px;display:block}.cost-badge i:first-child{height:6px}.cost-badge i:nth-child(2){height:9px}.cost-badge i:nth-child(3){height:12px}.cost-badge[data-cost=light] i:first-child{background:#7dffb0}.cost-badge[data-cost=medium] i:nth-child(-n+2){background:#ffd166}.cost-badge[data-cost=heavy] i{background:#ff8a5c}.preset-grid{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.preset-btn{gap:var(--space-2);padding:var(--space-2);background:var(--color-surface);border:1px solid var(--color-border);-webkit-border-radius:var(--radius-md);border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);-webkit-tap-highlight-color:transparent;flex-direction:column;display:flex}.preset-btn:hover{background:var(--color-surface-hover);border-color:var(--color-border-strong);transform:translateY(-2px)}.preset-btn:active{transform:translateY(0)}.preset-swatch{border:1px solid #ffffff2e;border-radius:10px;width:100%;height:40px;display:block}.preset-name{font-family:var(--font-display);color:var(--color-text-primary);text-align:left;padding:0 var(--space-1) var(--space-1);font-size:.82rem;font-weight:500}.saved-bg-row{gap:var(--space-2);align-items:stretch;display:flex}.saved-bg-list{gap:var(--space-2);flex-direction:column;display:flex}.saved-bg-item-row{gap:var(--space-2);align-items:stretch;display:flex}.saved-bg-item{text-align:left;background:var(--color-surface);border:1px solid var(--color-border);-webkit-border-radius:var(--radius-md);border-radius:var(--radius-md);min-width:0;padding:var(--space-3);cursor:pointer;transition:background-color var(--transition-fast), border-color var(--transition-fast);flex-direction:column;flex:1;gap:2px;display:flex}.saved-bg-item:hover{background:var(--color-surface-hover);border-color:var(--color-border-strong)}.saved-bg-item:disabled{opacity:.55;cursor:not-allowed}.saved-bg-item:disabled:hover{background:var(--color-surface);border-color:var(--color-border)}.saved-bg-title{font-family:var(--font-display);white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;font-weight:600;overflow:hidden}.saved-bg-meta{color:var(--color-text-secondary);font-size:.75rem}@media (max-width:768px){.minimal-overlay{padding:var(--space-4);padding-top:max(var(--space-4), env(safe-area-inset-top))}.top-actions{gap:var(--space-2)}.logo-text{font-size:1.25rem}input[type=range]{height:28px}input[type=range]::-webkit-slider-thumb{width:20px;height:20px;margin-top:-8px}input[type=range]::-moz-range-thumb{width:20px;height:20px}.global-tooltip{max-width:calc(100vw - 32px)}}@media (max-width:520px){.icon-btn{width:44px}.icon-btn,.cta-btn{height:44px}.cta-btn{padding:0 .85rem}.cta-btn span{display:none}}