/**
 * MPD Preloader Styles
 * 
 * Multiple preloader styles for page loading animation
 *
 * @package Magical_Shop_Builder
 * @since   2.0.0
 */

/* ==========================================
   PRELOADER CONTAINER
   ========================================== */

.mpd-preloader {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 999999;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--mpd-preloader-bg, #ffffff);
	transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mpd-preloader.mpd-preloader--loaded {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
}

/* Preloader inner wrapper */
.mpd-preloader__inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 20px;
}

/* Logo (if enabled) */
.mpd-preloader__logo {
	max-width: 150px;
	max-height: 80px;
	margin-bottom: 10px;
}

.mpd-preloader__logo img {
	display: block;
	max-width: 100%;
	height: auto;
}

/* Loading text */
.mpd-preloader__text {
	font-size: 14px;
	color: var(--mpd-preloader-text, #666666);
	margin-top: 15px;
	letter-spacing: 0.5px;
}


/* ==========================================
   STYLE 1: SPINNER CIRCLE
   ========================================== */

.mpd-preloader--spinner .mpd-preloader__spinner {
	width: 50px;
	height: 50px;
	border: 3px solid var(--mpd-preloader-secondary, #f3f3f3);
	border-top: 3px solid var(--mpd-preloader-primary, #0073aa);
	border-radius: 50%;
	animation: mpd-spin 1s linear infinite;
}

@keyframes mpd-spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}


/* ==========================================
   STYLE 2: DOUBLE BOUNCE
   ========================================== */

.mpd-preloader--double-bounce .mpd-preloader__spinner {
	width: 50px;
	height: 50px;
	position: relative;
}

.mpd-preloader--double-bounce .mpd-bounce1,
.mpd-preloader--double-bounce .mpd-bounce2 {
	width: 100%;
	height: 100%;
	border-radius: 50%;
	background-color: var(--mpd-preloader-primary, #0073aa);
	opacity: 0.6;
	position: absolute;
	top: 0;
	left: 0;
	animation: mpd-bounce 2s infinite ease-in-out;
}

.mpd-preloader--double-bounce .mpd-bounce2 {
	animation-delay: -1s;
}

@keyframes mpd-bounce {
	0%, 100% { transform: scale(0); }
	50% { transform: scale(1); }
}


/* ==========================================
   STYLE 3: PULSE
   ========================================== */

.mpd-preloader--pulse .mpd-preloader__spinner {
	width: 50px;
	height: 50px;
	background-color: var(--mpd-preloader-primary, #0073aa);
	border-radius: 50%;
	animation: mpd-pulse 1.4s infinite ease-in-out;
}

@keyframes mpd-pulse {
	0% {
		transform: scale(0);
		opacity: 1;
	}
	100% {
		transform: scale(1);
		opacity: 0;
	}
}


/* ==========================================
   STYLE 4: THREE DOTS
   ========================================== */

.mpd-preloader--three-dots .mpd-preloader__spinner {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
}

.mpd-preloader--three-dots .mpd-dot {
	width: 12px;
	height: 12px;
	background-color: var(--mpd-preloader-primary, #0073aa);
	border-radius: 50%;
	animation: mpd-three-dots 1.4s infinite ease-in-out both;
}

.mpd-preloader--three-dots .mpd-dot:nth-child(1) {
	animation-delay: -0.32s;
}

.mpd-preloader--three-dots .mpd-dot:nth-child(2) {
	animation-delay: -0.16s;
}

@keyframes mpd-three-dots {
	0%, 80%, 100% {
		transform: scale(0);
	}
	40% {
		transform: scale(1);
	}
}


/* ==========================================
   STYLE 5: WAVE BARS
   ========================================== */

.mpd-preloader--wave .mpd-preloader__spinner {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 4px;
	height: 50px;
}

.mpd-preloader--wave .mpd-bar {
	width: 5px;
	height: 100%;
	background-color: var(--mpd-preloader-primary, #0073aa);
	animation: mpd-wave 1.2s infinite ease-in-out;
}

.mpd-preloader--wave .mpd-bar:nth-child(1) { animation-delay: -1.2s; }
.mpd-preloader--wave .mpd-bar:nth-child(2) { animation-delay: -1.1s; }
.mpd-preloader--wave .mpd-bar:nth-child(3) { animation-delay: -1.0s; }
.mpd-preloader--wave .mpd-bar:nth-child(4) { animation-delay: -0.9s; }
.mpd-preloader--wave .mpd-bar:nth-child(5) { animation-delay: -0.8s; }

@keyframes mpd-wave {
	0%, 40%, 100% {
		transform: scaleY(0.4);
	}
	20% {
		transform: scaleY(1);
	}
}


/* ==========================================
   STYLE 6: CUBE GRID
   ========================================== */

.mpd-preloader--cube-grid .mpd-preloader__spinner {
	width: 48px;
	height: 48px;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 3px;
}

.mpd-preloader--cube-grid .mpd-cube {
	background-color: var(--mpd-preloader-primary, #0073aa);
	animation: mpd-cube-grid 1.3s infinite ease-in-out;
}

.mpd-preloader--cube-grid .mpd-cube:nth-child(1) { animation-delay: 0.2s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(2) { animation-delay: 0.3s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(3) { animation-delay: 0.4s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(4) { animation-delay: 0.1s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(5) { animation-delay: 0.2s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(6) { animation-delay: 0.3s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(7) { animation-delay: 0.0s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(8) { animation-delay: 0.1s; }
.mpd-preloader--cube-grid .mpd-cube:nth-child(9) { animation-delay: 0.2s; }

@keyframes mpd-cube-grid {
	0%, 70%, 100% {
		transform: scale3D(1, 1, 1);
	}
	35% {
		transform: scale3D(0, 0, 1);
	}
}


/* ==========================================
   STYLE 7: RING
   ========================================== */

.mpd-preloader--ring .mpd-preloader__spinner {
	width: 50px;
	height: 50px;
	border: 4px solid transparent;
	border-top-color: var(--mpd-preloader-primary, #0073aa);
	border-bottom-color: var(--mpd-preloader-primary, #0073aa);
	border-radius: 50%;
	animation: mpd-ring 1.2s linear infinite;
}

@keyframes mpd-ring {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}


/* ==========================================
   STYLE 8: FOLDING CUBE
   ========================================== */

.mpd-preloader--folding-cube .mpd-preloader__spinner {
	width: 40px;
	height: 40px;
	position: relative;
	transform: rotateZ(45deg);
}

.mpd-preloader--folding-cube .mpd-cube {
	float: left;
	width: 50%;
	height: 50%;
	position: relative;
	transform: scale(1.1);
}

.mpd-preloader--folding-cube .mpd-cube::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: var(--mpd-preloader-primary, #0073aa);
	animation: mpd-folding-cube 2.4s infinite linear both;
	transform-origin: 100% 100%;
}

.mpd-preloader--folding-cube .mpd-cube:nth-child(2) { transform: scale(1.1) rotateZ(90deg); }
.mpd-preloader--folding-cube .mpd-cube:nth-child(3) { transform: scale(1.1) rotateZ(180deg); }
.mpd-preloader--folding-cube .mpd-cube:nth-child(4) { transform: scale(1.1) rotateZ(270deg); }

.mpd-preloader--folding-cube .mpd-cube:nth-child(2)::before { animation-delay: 0.3s; }
.mpd-preloader--folding-cube .mpd-cube:nth-child(3)::before { animation-delay: 0.6s; }
.mpd-preloader--folding-cube .mpd-cube:nth-child(4)::before { animation-delay: 0.9s; }

@keyframes mpd-folding-cube {
	0%, 10% {
		transform: perspective(140px) rotateX(-180deg);
		opacity: 0;
	}
	25%, 75% {
		transform: perspective(140px) rotateX(0deg);
		opacity: 1;
	}
	90%, 100% {
		transform: perspective(140px) rotateY(180deg);
		opacity: 0;
	}
}


/* ==========================================
   STYLE 9: CIRCLE DOTS
   ========================================== */

.mpd-preloader--circle-dots .mpd-preloader__spinner {
	width: 50px;
	height: 50px;
	position: relative;
	animation: mpd-circle-dots-rotate 2s infinite linear;
}

.mpd-preloader--circle-dots .mpd-dot {
	width: 60%;
	height: 60%;
	display: inline-block;
	position: absolute;
	top: 0;
	background-color: var(--mpd-preloader-primary, #0073aa);
	border-radius: 100%;
	animation: mpd-circle-dots-bounce 2s infinite ease-in-out;
}

.mpd-preloader--circle-dots .mpd-dot:nth-child(2) {
	top: auto;
	bottom: 0;
	animation-delay: -1s;
}

@keyframes mpd-circle-dots-rotate {
	100% { transform: rotate(360deg); }
}

@keyframes mpd-circle-dots-bounce {
	0%, 100% { transform: scale(0); }
	50% { transform: scale(1); }
}


/* ==========================================
   STYLE 10: PROGRESS BAR
   ========================================== */

.mpd-preloader--progress .mpd-preloader__spinner {
	width: 200px;
	height: 4px;
	background-color: var(--mpd-preloader-secondary, #f3f3f3);
	border-radius: 4px;
	overflow: hidden;
}

.mpd-preloader--progress .mpd-progress-bar {
	width: 100%;
	height: 100%;
	background-color: var(--mpd-preloader-primary, #0073aa);
	animation: mpd-progress 2s infinite ease-in-out;
	transform-origin: left;
}

@keyframes mpd-progress {
	0% { transform: scaleX(0); }
	50% { transform: scaleX(0.5); }
	100% { transform: scaleX(1); }
}


/* ==========================================
   STYLE 11: LOGO ONLY (Fade in/out)
   ========================================== */

.mpd-preloader--logo-fade .mpd-preloader__logo img {
	animation: mpd-logo-fade 1.5s infinite ease-in-out;
}

@keyframes mpd-logo-fade {
	0%, 100% { opacity: 0.4; }
	50% { opacity: 1; }
}


/* ==========================================
   STYLE 12: LOGO WITH RING
   ========================================== */

.mpd-preloader--logo-ring .mpd-preloader__logo {
	position: relative;
}

.mpd-preloader--logo-ring .mpd-logo-ring {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: calc(100% + 30px);
	height: calc(100% + 30px);
	border: 3px solid transparent;
	border-top-color: var(--mpd-preloader-primary, #0073aa);
	border-radius: 50%;
	animation: mpd-spin 1s linear infinite;
}