@font-face {
	font-family: 'rsu_regular';
	src: url('fonts/RSU_Regular.eot'); /* IE9 Compat Modes */
	src: url('fonts/RSU_Regular.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
		 url('fonts/RSU_Regular.woff') format('woff'), /* Modern Browsers */
		 url('fonts/RSU_Regular.ttf')  format('truetype'), /* Safari, Android, iOS */
		 url('fonts/RSU_Regular.svg#svgFontName') format('svg'); /* Legacy iOS */
}

.has-thai-text {
	font-family: "Sarabun", "Thonburi", "Tahoma", "Arial", sans-serif;
	font-weight: lighter;
}
.has-thai-text-medium {
	font-family: "Sarabun", "Thonburi", "Tahoma", "Arial", sans-serif;
	font-size: 22px;
	font-weight: lighter;
}
.has-thai-text-big {
	font-family: "Sarabun", "Thonburi", "Tahoma", "Arial", sans-serif;
	font-size: 64px;
	font-weight: lighter;
}
.has-thai-modern-big {
	/* font-family: 'rsu_regular'; */
	font-family: 'Prompt', sans-serif;
	font-size: 64px;
	font-weight: lighter;
}

.has-thai-loopless {
	font-family: 'Prompt', sans-serif;
}

div.centered
{
    text-align: center;
}
div.centered table
{
    margin: 0 auto;
    text-align: left;
}
div.centered td
{
    vertical-align : middle;
}

.flashcard-answer-container {
	display: flex;
	justify-content: center;
	width: 100%;
}
.flashcard-answer-block {
	display: inline-block;
	text-align: left;
	max-width: 100%;
}

.card.flashcard-card-with-image {
	max-width: 760px;
	width: 100%;
}

.flashcard-answer-container--has-image {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: center;
	gap: 2rem;
	width: 100%;
	padding: 0.25rem 0.5rem;
}

.flashcard-answer-image-col {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.flashcard-answer-thumb {
	display: block;
	max-height: 155px;
	max-width: 220px;
	width: auto;
	height: auto;
	object-fit: contain;
	border-radius: 8px;
	cursor: pointer;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
	border: 1px solid rgba(255, 255, 255, 0.15);
	transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.flashcard-answer-thumb:hover {
	transform: scale(1.03);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

@media screen and (max-width: 768px) {
	.flashcard-answer-container--has-image {
		gap: 1.25rem;
	}
	.flashcard-answer-thumb {
		max-height: 120px;
		max-width: 150px;
	}
}

@media screen and (max-width: 600px) {
	.flashcard-answer-container--has-image {
		gap: 0.75rem;
		padding: 0.25rem 0.25rem;
	}
	.flashcard-answer-thumb {
		max-height: 95px;
		max-width: 110px;
	}
}

@media screen and (max-width: 400px) {
	.flashcard-answer-container--has-image {
		gap: 0.5rem;
	}
	.flashcard-answer-thumb {
		max-height: 80px;
		max-width: 85px;
	}
}

.answer_buttons_div {
	display: inline-block;
	height: 54px;
	text-align: center;
}
.spacer_div {
	display: block;
	height: 50px;
}
.spacer_div_small {
	display: block;
	height: 32px;
}
.spacer_div_large {
	display: block;
	height: 80px;
}
#correct_btn {
	display: inline-block;
	border-radius: 8px;
	height: 50px;
	width: 150px;
	padding: 10px 0;
	text-align: center;
	font-family: Helvetica;
	font-size: 18px;
	font-style: normal;
	color: black;
	background-color: #99FF99;
	cursor: pointer;
}
#incorrect_btn {
	display: inline-block;
	border-radius: 8px;
	height: 50px;
	width: 150px;
	padding: 10px 0;
	text-align: center;
	font-family: Helvetica;
	font-size: 18px;
	font-style: normal;
	color: black;
	background-color: #FF9999;
	cursor: pointer;
}
.next_btn_grey {
	display: inline-block;
	border-radius: 8px;
	height: 50px;
	width: 150px;
	padding: 10px 0;
	text-align: center;
	font-family: Helvetica;
	font-size: 18px;
	font-style: normal;
	color: black;
	background-color: #999999;
	cursor: pointer;
}
.next_btn_grey_small {
	display: inline-block;
	border-radius: 8px;
	height: 50px;
	width: 110px;
	padding: 10px 0;
	text-align: center;
	font-family: Helvetica;
	font-size: 18px;
	font-style: normal;
	color: black;
	background-color: #999999;
	cursor: pointer;
}
.btn_green {
	display: inline-block;
	border-radius: 8px;
	height: 50px;
	width: 110px;
	padding: 10px 0;
	text-align: center;
	font-family: Helvetica;
	font-size: 18px;
	font-style: normal;
	color: black;
	background-color: #99FF99;
	cursor: pointer;
}
.btn_blue {
	display: inline-block;
	border-radius: 8px;
	height: 50px;
	width: 110px;
	padding: 10px 0;
	text-align: center;
	font-family: Helvetica;
	font-size: 18px;
	font-style: normal;
	color: black;
	background-color: #47c7fa;
	cursor: pointer;
}
.btn_exit {
	display: inline-block;
	border-radius: 8px;
	height: 50px;
	width: 110px;
	padding: 10px 0;
	text-align: center;
	font-family: Helvetica;
	font-size: 18px;
	font-style: normal;
	color: black;
	background-color: #FF9999;
	cursor: pointer;
}

.consonant-answer-container {
	margin: 0 auto;
	max-width: 560px;
}
.consonant-answer-columns {
	gap: 2.5rem;
}
.consonant-answer-left {
	padding-right: 1rem !important;
}
.consonant-answer-right {
	padding-left: 1rem !important;
}
.consonant-sticker-img {
	max-height: 180px;
	max-width: 180px;
	width: auto;
	height: auto;
	object-fit: contain;
	display: block;
	margin: 0 auto;
	filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.14));
}
@media screen and (max-width: 480px) {
	.consonant-answer-columns {
		gap: 0.75rem;
	}
	.consonant-answer-left {
		padding-right: 0.25rem !important;
	}
	.consonant-answer-right {
		padding-left: 0.25rem !important;
	}
	.consonant-sticker-img {
		max-height: 120px;
		max-width: 120px;
	}
}

/* Study session completed results table & container */
.session-results-container {
	max-width: 760px;
	margin: 0 auto;
	width: 100%;
}

/* Example sentences results container: expanded responsive width on wider screens */
.session-results-container.examples-results-container,
.examples-results-container {
	max-width: 100%;
	margin: 0 auto;
	width: 100%;
}

@media screen and (min-width: 769px) {
	.session-results-container.examples-results-container,
	.examples-results-container {
		max-width: 960px;
	}
}

@media screen and (min-width: 1024px) {
	.session-results-container.examples-results-container,
	.examples-results-container {
		max-width: 1152px;
	}
}

@media screen and (min-width: 1216px) {
	.session-results-container.examples-results-container,
	.examples-results-container {
		max-width: 1280px;
	}
}

@media screen and (min-width: 1408px) {
	.session-results-container.examples-results-container,
	.examples-results-container {
		max-width: 1380px;
	}
}

.session-results-toolbar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.session-results-scroll-hint {
	color: #94a3b8;
	font-size: 0.8rem;
	user-select: none;
	display: flex;
	align-items: center;
}

.session-table-container {
	scrollbar-width: thin;
	scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
	margin-bottom: 1.5rem;
	border-radius: 4px;
	-webkit-overflow-scrolling: touch;
	overflow-x: auto;
	overflow-y: hidden;
	max-width: 100%;
}

.session-table-container::-webkit-scrollbar {
	height: 6px;
}

.session-table-container::-webkit-scrollbar-track {
	background: transparent;
}

.session-table-container::-webkit-scrollbar-thumb {
	background-color: rgba(255, 255, 255, 0.25);
	border-radius: 3px;
}

body.light-mode .session-table-container,
.page-index .session-table-container {
	scrollbar-color: rgba(0, 0, 0, 0.25) transparent;
}

body.light-mode .session-table-container::-webkit-scrollbar-thumb,
.page-index .session-table-container::-webkit-scrollbar-thumb {
	background-color: rgba(0, 0, 0, 0.25);
}

.session-results-table {
	width: 100%;
	min-width: 520px;
	margin: 0 auto;
	text-align: left;
}

.session-results-table th,
.session-results-table td {
	vertical-align: middle;
}

.session-results-table .select-col {
	width: 44px;
	min-width: 44px;
	text-align: center;
}

.session-results-table .select-col input[type="checkbox"] {
	cursor: pointer;
	transform: scale(1.15);
	vertical-align: middle;
}

.session-results-table .audio-col {
	width: 44px;
	min-width: 44px;
	text-align: center;
}

.session-results-table .thai-col {
	white-space: nowrap;
}

.session-results-table .trans-col {
	white-space: nowrap;
}

.examples-results-container .session-results-table {
	min-width: 680px;
}

/* Picture Quiz Styles */
.picture-quiz-word-box {
	display: flex;
	justify-content: center;
	align-items: center;
	margin: 0.5rem auto 1.5rem auto;
}
.picture-quiz-media {
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: left;
}
.picture-quiz-option-card {
	cursor: pointer;
	border-radius: 8px;
	transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.18s ease;
	border: 2px solid transparent;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 0.75rem;
	background-color: rgba(255, 255, 255, 0.04);
}
.picture-quiz-option-card:hover {
	transform: translateY(-4px) scale(1.03);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
	border-color: #3e8ed0;
}
body.light-mode .picture-quiz-option-card {
	background-color: #ffffff;
	border-color: #e2e8f0;
	box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}
body.light-mode .picture-quiz-option-card:hover {
	border-color: #3e8ed0;
	box-shadow: 0 8px 20px rgba(62, 142, 208, 0.2);
}
.picture-quiz-option-img {
	max-height: 180px;
	width: auto;
	max-width: 100%;
	object-fit: contain;
	border-radius: 6px;
	display: block;
	margin: 0 auto;
}
.picture-quiz-thumb {
	max-height: 52px;
	max-width: 60px;
	width: auto;
	object-fit: contain;
	border-radius: 4px;
	vertical-align: middle;
	background-color: rgba(255, 255, 255, 0.05);
	padding: 2px;
}
body.light-mode .picture-quiz-thumb {
	background-color: #f1f5f9;
}
.picture-quiz-card-image {
	min-height: 190px;
	width: 100%;
	padding: 0.75rem;
}

/* Ensure Flashcard answer panels stay hidden before session starts and during question cards */
#looplessCardDiv[style*="display: none"],
#looplessCardDiv[style*="display:none"],
#examplesCardDiv[style*="display: none"],
#examplesCardDiv[style*="display:none"],
#notesCardDiv[style*="display: none"],
#notesCardDiv[style*="display:none"] {
	display: none !important;
}

@media screen and (min-width: 760px) and (max-width: 768px) {
	.picture-quiz-main-columns {
		display: flex !important;
		justify-content: center !important;
	}
	.picture-quiz-main-card {
		flex: none !important;
		width: 66.666667% !important;
	}
}

@media screen and (min-width: 760px) and (max-width: 1023px) {
	.picture-quiz-options-columns {
		display: flex !important;
		flex-direction: row !important;
		flex-wrap: nowrap !important;
	}
	.picture-quiz-option-col {
		flex: 1 1 33.333333% !important;
		width: 33.333333% !important;
		max-width: 33.333333% !important;
		padding: 0.4rem !important;
	}
	.picture-quiz-option-card {
		padding: 0.5rem !important;
	}
	.picture-quiz-card-image {
		min-height: 140px !important;
		padding: 0.35rem !important;
	}
	.picture-quiz-option-img {
		max-height: 130px !important;
	}
}