input[type=range] { -webkit-appearance: none; width: 100%; background: transparent; }
input[type=range]:focus { outline: none; }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 6px; cursor: pointer; background: #E5E7EB; border-radius: 9999px; transition: all 0.2s ease; }
input[type=range]::-webkit-slider-thumb { height: 20px; width: 20px; border-radius: 50%; background: #ffffff; border: 2px solid #007AFF; cursor: pointer; -webkit-appearance: none; margin-top: -7px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); transition: transform 0.1s ease; }
input[type=range]:active::-webkit-slider-thumb { transform: scale(1.15); }
input[type=range]:focus::-webkit-slider-runnable-track { background: #D1D5DB; }
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
input[type=color]::-webkit-color-swatch { border: none; border-radius: 4px; }

.canvas-container { position: relative; width: 100%; margin: 0 auto; aspect-ratio: 1/1; }
canvas { border-radius: 12px; background: #f3f4f6; width: 100%; height: 100%; object-fit: contain; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05); }

.fade-in-up { animation: fadeInUp 0.4s ease-out forwards; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.group:hover .bounce-icon { animation: bounce 0.6s infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

.btn-hover-scale { transition: all 0.2s ease; }
.btn-hover-scale:hover { transform: scale(1.03); }
.btn-hover-scale:active { transform: scale(0.98); }

.sortable-ghost { opacity: 0.4; transform: scale(0.95); border-radius: 0.375rem; background-color: #E5E7EB; }
.sortable-drag { cursor: grabbing !important; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
#toggleZone .slice-wrapper { display: none !important; }

.bg-checkered {
    background-color: #f9fafb;
    background-image:
        linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
        linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}