/**
 * Frontend Flipbook Viewer CSS.
 *
 * @package UltimateFlipbook
 * @since 1.0.0
 */

/* Main Container */
.ultimate-flipbook-container {
	width: 100%;
	max-width: 1200px;
	margin: 20px auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* Viewer Wrapper */
.ultimate-flipbook-viewer {
	position: relative;
	background: #f5f5f5;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	overflow: hidden;
}

/* Loading State */
.ultimate-flipbook-loading {
	text-align: center;
	padding: 60px 20px;
}

.ultimate-flipbook-spinner {
	border: 4px solid #f3f3f3;
	border-top: 4px solid #3498db;
	border-radius: 50%;
	width: 50px;
	height: 50px;
	animation: spin 1s linear infinite;
	margin: 0 auto 20px;
}

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

/* Toolbar */
.ultimate-flipbook-toolbar {
	background: #fff;
	padding: 12px 16px;
	border-bottom: 1px solid #e0e0e0;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	flex-wrap: wrap;
}

.ultimate-flipbook-btn {
	background: #f5f5f5;
	border: 1px solid #ddd;
	border-radius: 4px;
	padding: 8px 12px;
	cursor: pointer;
	transition: all 0.2s;
	font-size: 0;
	line-height: 1;
	min-width: 36px;
	height: 36px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

.ultimate-flipbook-btn:hover:not(:disabled) {
	background: #e8e8e8;
	border-color: #bbb;
}

.ultimate-flipbook-btn:active:not(:disabled) {
	background: #ddd;
}

.ultimate-flipbook-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.ultimate-flipbook-btn .dashicons {
	font-size: 18px;
	width: 18px;
	height: 18px;
}

.ultimate-flipbook-page-info {
	margin: 0 12px;
	font-weight: 600;
	color: #333;
	min-width: 80px;
	text-align: center;
}

/* Canvas Wrapper */
.ultimate-flipbook-canvas-wrapper {
	position: relative;
	background: #fff;
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 600px;
	padding: 40px 20px;
	overflow: auto;
}

.ultimate-flipbook-book-container {
	position: relative;
	margin: 0 auto;
}

/* StPageFlip styles */
.ultimate-flipbook-book-container .stf__block {
	background: #fff;
}

.ultimate-flipbook-book-container .stf__item {
	background: #fff;
}

/* Thumbnails Panel */
.ultimate-flipbook-thumbnails-panel {
	position: absolute;
	top: 0;
	right: 0;
	width: 200px;
	max-width: 30%;
	height: 100%;
	background: rgba(255, 255, 255, 0.98);
	border-left: 1px solid #e0e0e0;
	overflow-y: auto;
	z-index: 100;
	box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
}

.ultimate-flipbook-thumbnails-list {
	padding: 10px;
}

.ultimate-flipbook-thumbnails-list .thumbnail-item {
	margin-bottom: 10px;
	cursor: pointer;
	border: 2px solid transparent;
	border-radius: 4px;
	padding: 4px;
	transition: all 0.2s;
}

.ultimate-flipbook-thumbnails-list .thumbnail-item:hover {
	border-color: #3498db;
	background: #f0f8ff;
}

.ultimate-flipbook-thumbnails-list .thumbnail-item img {
	width: 100%;
	height: auto;
	display: block;
	border-radius: 2px;
}

/* Themes */
.ultimate-flipbook-viewer[data-theme="dark"] {
	background: #1a1a1a;
}

.ultimate-flipbook-viewer[data-theme="dark"] .ultimate-flipbook-toolbar {
	background: #2a2a2a;
	border-color: #3a3a3a;
	color: #fff;
}

.ultimate-flipbook-viewer[data-theme="dark"] .ultimate-flipbook-btn {
	background: #3a3a3a;
	border-color: #4a4a4a;
	color: #fff;
}

.ultimate-flipbook-viewer[data-theme="dark"] .ultimate-flipbook-btn:hover:not(:disabled) {
	background: #4a4a4a;
}

.ultimate-flipbook-viewer[data-theme="dark"] .ultimate-flipbook-page-info {
	color: #fff;
}

.ultimate-flipbook-viewer[data-theme="classic"] {
	background: #f4e8d0;
}

.ultimate-flipbook-viewer[data-theme="magazine"] {
	background: #2c1810;
}

/* Fullscreen Styles */
.ultimate-flipbook-container:fullscreen,
.ultimate-flipbook-container:-webkit-full-screen,
.ultimate-flipbook-container:-moz-full-screen,
.ultimate-flipbook-container:-ms-fullscreen {
	width: 100%;
	height: 100%;
	background: #000;
}

.ultimate-flipbook-container:fullscreen .ultimate-flipbook-viewer,
.ultimate-flipbook-container:-webkit-full-screen .ultimate-flipbook-viewer,
.ultimate-flipbook-container:-moz-full-screen .ultimate-flipbook-viewer,
.ultimate-flipbook-container:-ms-fullscreen .ultimate-flipbook-viewer {
	width: 100%;
	height: 100%;
	border-radius: 0;
}

.ultimate-flipbook-container:fullscreen .ultimate-flipbook-canvas-wrapper,
.ultimate-flipbook-container:-webkit-full-screen .ultimate-flipbook-canvas-wrapper,
.ultimate-flipbook-container:-moz-full-screen .ultimate-flipbook-canvas-wrapper,
.ultimate-flipbook-container:-ms-fullscreen .ultimate-flipbook-canvas-wrapper {
	min-height: calc(100vh - 100px);
	padding: 20px;
}

/* Responsive */
@media screen and (max-width: 768px) {
	.ultimate-flipbook-container {
		margin: 10px;
	}

	.ultimate-flipbook-toolbar {
		padding: 8px;
		gap: 4px;
	}

	.ultimate-flipbook-btn {
		padding: 6px 8px;
		min-width: 32px;
		height: 32px;
	}

	.ultimate-flipbook-btn .dashicons {
		font-size: 16px;
		width: 16px;
		height: 16px;
	}

	.ultimate-flipbook-page-info {
		font-size: 14px;
		margin: 0 8px;
		min-width: 60px;
	}

	.ultimate-flipbook-canvas-wrapper {
		min-height: 400px;
		padding: 20px 10px;
	}

	.ultimate-flipbook-thumbnails-panel {
		width: 150px;
	}
}

/* Print Styles */
@media print {
	.ultimate-flipbook-toolbar,
	.ultimate-flipbook-thumbnails-panel {
		display: none;
	}

	.ultimate-flipbook-viewer {
		box-shadow: none;
	}
}