/* =========================================================
   BIBLIOTEKA ZASOBÓW — PODSTAWOWY WYGLĄD
   ========================================================= */

.ivs-resource-page {
	width: 100%;
	padding: 50px 20px;
	box-sizing: border-box;
}

.ivs-resource-container {
	max-width: 1000px;
	margin: 0 auto;
	color: #333;
}


/* ---------------------------------------------------------
   TYTUŁ
   --------------------------------------------------------- */

.ivs-resource-header {
	text-align: center;
	margin-bottom: 40px;
}

.ivs-resource-title {
	margin: 0;
	font-size: 42px;
	line-height: 1.25;
	font-weight: 600;
	color: #222;
}

.ivs-resource-second-title {
	margin-top: 10px;
	font-size: 22px;
	line-height: 1.5;
	color: #777;
}


/* ---------------------------------------------------------
   INFORMACJE BIBLIOGRAFICZNE
   --------------------------------------------------------- */

.ivs-resource-meta {
	max-width: 800px;
	margin: 0 auto 45px;
	border-top: 1px solid #ddd;
	border-bottom: 1px solid #ddd;
	padding: 10px 0;
}

.ivs-resource-meta-row {
	display: flex;
	align-items: baseline;
	padding: 10px 15px;
	border-bottom: 1px solid #eee;
}

.ivs-resource-meta-row:last-child {
	border-bottom: none;
}

.ivs-resource-meta-label {
	width: 240px;
	flex-shrink: 0;
	font-weight: 600;
	color: #555;
}

.ivs-resource-meta-value {
	color: #222;
}


/* ---------------------------------------------------------
   SEKCJE
   --------------------------------------------------------- */

.ivs-resource-section {
	margin: 0 auto 45px;
	max-width: 900px;
}

.ivs-resource-section h2 {
	margin: 0 0 20px;
	padding-bottom: 10px;
	border-bottom: 2px solid #ddd;
	font-size: 26px;
	font-weight: 600;
	color: #333;
}

.ivs-resource-text {
	font-size: 17px;
	line-height: 1.8;
}


/* ---------------------------------------------------------
   MATERIAŁ / PDF — STARA RAMKA
   --------------------------------------------------------- */

.ivs-pdf-placeholder {
	min-height: 300px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 40px;
	background: #f7f7f7;
	border: 1px solid #ddd;
	border-radius: 6px;
	text-align: center;
	color: #666;
}

.ivs-pdf-placeholder p {
	margin: 5px 0;
}


/* ---------------------------------------------------------
   CZYTNIK PDF
   --------------------------------------------------------- */

.ivs-pdf-reader {
	width: 100%;
	min-height: 300px;
	padding: 20px;
	box-sizing: border-box;
	background: #f7f7f7;
	border: 1px solid #ddd;
	border-radius: 6px;
	text-align: center;
}

.ivs-pdf-controls {
	margin-bottom: 20px;
}

.ivs-pdf-page-number {
	display: inline-block;
	margin: 0 10px;
	color: #555;
}

.ivs-pdf-previous,
.ivs-pdf-next {
	padding: 8px 16px;
	cursor: pointer;
}

.ivs-pdf-previous:disabled,
.ivs-pdf-next:disabled {
	opacity: 0.5;
	cursor: default;
}

.ivs-pdf-canvas-container {
	width: 100%;
	overflow-x: auto;
	text-align: center;
}

.ivs-pdf-canvas {
	display: block;
	max-width: 100%;
	height: auto;
	margin: 0 auto;
	background: #fff;
	box-shadow: 0 1px 5px rgba(0, 0, 0, 0.15);
}

.ivs-pdf-error {
	margin-top: 15px;
	color: #a00;
}


/* ---------------------------------------------------------
   LINKI
   --------------------------------------------------------- */

.ivs-external-material a,
.ivs-resource-source a {
	display: inline-block;
	padding: 10px 18px;
	background: #444;
	color: #fff;
	text-decoration: none;
	border-radius: 4px;
}

.ivs-external-material a:hover,
.ivs-resource-source a:hover {
	background: #222;
}


/* ---------------------------------------------------------
   KOMENTARZ LEKTORA
   --------------------------------------------------------- */

.ivs-resource-lecturer {
	padding: 30px;
	background: #f5f1e8;
	border-left: 4px solid #b08b57;
	border-radius: 4px;
}


/* ---------------------------------------------------------
   TELEFONY
   --------------------------------------------------------- */

@media (max-width: 700px) {

	.ivs-resource-page {
		padding: 30px 15px;
	}

	.ivs-resource-title {
		font-size: 32px;
	}

	.ivs-resource-second-title {
		font-size: 19px;
	}

	.ivs-resource-meta-row {
		display: block;
		padding: 12px 10px;
	}

	.ivs-resource-meta-label {
		display: block;
		width: auto;
		margin-bottom: 4px;
	}

	.ivs-resource-section h2 {
		font-size: 23px;
	}

	.ivs-pdf-placeholder {
		min-height: 220px;
		padding: 25px;
	}

	.ivs-pdf-reader {
		min-height: 220px;
		padding: 15px;
	}

	.ivs-pdf-controls {
		margin-bottom: 15px;
	}

	.ivs-pdf-previous,
	.ivs-pdf-next {
		padding: 7px 12px;
	}

	.ivs-pdf-page-number {
		margin: 0 5px;
	}

}