@import '../../style/themes/index';
@import '../../style/mixins/index';

@spin-prefix-cls: ~'@{ant-prefix}-spin';
@spin-dot-default: @text-color-secondary;

.@{spin-prefix-cls} {
	.reset-component();

	position: absolute;
	display: none;
	color: @dbk-secondary;
	text-align: center;
	vertical-align: middle;
	opacity: 0;
	transition: transform 0.3s @ease-in-out-circ;

	&-spinning {
		position: static;
		display: inline-block;
		opacity: 1;
	}

	&-nested-loading {
		position: relative;
		> div > .@{spin-prefix-cls} {
			position: absolute;
			top: 0;
			left: 0;
			z-index: 4;
			display: block;
			width: 100%;
			height: 100%;
			backdrop-filter: blur(3px);
			// max-height: 400px;
			.@{spin-prefix-cls}-dot {
				position: absolute;
				top: 50%;
				left: 50%;
				margin: -(@spin-dot-size / 2);
			}
			.@{spin-prefix-cls}-text {
				position: absolute;
				top: 50%;
				width: 100%;
				padding-top: ((@spin-dot-size - @font-size-base) / 2) + 2px;
				text-shadow: 0 1px 2px @shadow-color-inverse;
			}
			&.@{spin-prefix-cls}-show-text .@{spin-prefix-cls}-dot {
				margin-top: -(@spin-dot-size / 2) - 10px;
			}
		}

		> div > .@{spin-prefix-cls}-sm {
			.@{spin-prefix-cls}-dot {
				margin: -(@spin-dot-size-sm / 2);
			}
			.@{spin-prefix-cls}-text {
				padding-top: ((@spin-dot-size-sm - @font-size-base) / 2) + 2px;
			}
			&.@{spin-prefix-cls}-show-text .@{spin-prefix-cls}-dot {
				margin-top: -(@spin-dot-size-sm / 2) - 10px;
			}
		}

		> div > .@{spin-prefix-cls}-lg {
			.@{spin-prefix-cls}-dot {
				margin: -(@spin-dot-size-lg / 2);
			}
			.@{spin-prefix-cls}-text {
				padding-top: ((@spin-dot-size-lg - @font-size-base) / 2) + 2px;
			}
			&.@{spin-prefix-cls}-show-text .@{spin-prefix-cls}-dot {
				margin-top: -(@spin-dot-size-lg / 2) - 10px;
			}
		}
	}

	&-container {
		position: relative;
		transition: opacity 0.3s;

		&::after {
			position: absolute;
			top: 0;
			right: 0;
			bottom: 0;
			left: 0;
			z-index: 10;
			display: ~'none \9';
			width: 100%;
			height: 100%;
			background: rgba(@white, 0.75);
			opacity: 0;
			transition: all 0.3s;
			content: '';
			pointer-events: none;
		}
	}

	&-blur {
		clear: both;
		opacity: 0.5;
		user-select: none;
		pointer-events: none;

		&::after {
			opacity: 0.4;
			pointer-events: auto;
		}
	}

	// tip
	// ------------------------------
	&-tip {
		color: @spin-dot-default;
	}

	// dots
	// ------------------------------

	&-dot {
		position: relative;
		display: inline-block;
		font-size: @spin-dot-size;

		.square(1em);

		&-item {
			position: absolute;
			display: block;
			width: 9px;
			height: 9px;
			background-color: @dbk-secondary;
			border-radius: 100%;
			transform: scale(0.75);
			transform-origin: 50% 50%;
			opacity: 0.3;
			animation: antSpinMove 1s infinite linear alternate;

			&:nth-child(1) {
				top: 0;
				left: 0;
			}

			&:nth-child(2) {
				top: 0;
				right: 0;
				animation-delay: 0.4s;
			}

			&:nth-child(3) {
				right: 0;
				bottom: 0;
				animation-delay: 0.8s;
			}

			&:nth-child(4) {
				bottom: 0;
				left: 0;
				animation-delay: 1.2s;
			}
		}

		&-spin {
			transform: rotate(0deg);
			animation: antRotate 1.2s infinite linear;
		}
	}

	// Sizes
	// ------------------------------

	// small
	&-sm &-dot {
		font-size: @spin-dot-size-sm;

		i {
			width: 6px;
			height: 6px;
		}
	}

	// large
	&-lg &-dot {
		font-size: @spin-dot-size-lg;

		i {
			width: 14px;
			height: 14px;
		}
	}

	&&-show-text &-text {
		display: block;
	}
}

@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
	/* IE10+ */
	.@{spin-prefix-cls}-blur {
		background: @component-background;
		opacity: 0.5;
	}
}

@keyframes antSpinMove {
	to {
		opacity: 1;
	}
}

@keyframes antRotate {
	to {
		transform: rotate(360deg);
	}
}

@import './rtl';