/**
 * Course quizzes — syllabus accordion + isolated player UI.
 * Palette follows Tadris course chrome: indigo rails, amber timer, orange CTAs.
 */

:root {
	--dlq-indigo: #4f46e5;
	--dlq-indigo-deep: #3730a3;
	--dlq-ink: #1e1b4b;
	--dlq-muted: #64748b;
	--dlq-orange: #f97316;
	--dlq-orange-deep: #ea580c;
	--dlq-amber: #f59e0b;
	--dlq-paper: #fffaf4;
	--dlq-line: rgba(79, 70, 229, 0.16);
	--dlq-shadow: 0 24px 60px rgba(30, 27, 75, 0.28);
}

body.single-course .dl-quiz-row {
	background: rgba(99, 102, 241, 0.06);
}

body.single-course .dl-quiz-row .td-lesson-index {
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

body.single-course .dl-quiz-row .td-lesson-badge {
	background: #4f46e5;
	color: #fff;
}

body.single-course .dl-quiz-syllabus-block {
	margin: 14px 0 0;
	width: 100%;
	max-width: 100%;
	box-sizing: border-box;
	border: 1px solid var(--dlq-indigo);
	border-radius: 12px;
	overflow: hidden;
	background: #fff;
}

body.single-course .dl-quiz-syllabus-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	width: 100%;
	max-width: 100%;
	box-sizing: border-box;
	padding: 12px 16px;
	background: var(--dlq-indigo);
	color: #fff;
	font-weight: 700;
	cursor: pointer;
	user-select: none;
}

body.single-course .dl-quiz-syllabus-head .td-chapter-icon,
body.single-course .dl-quiz-syllabus-head .td-accordion-icon {
	color: #fff;
}

body.single-course .dl-quiz-syllabus-block .td-accordion-icon {
	transition: transform 0.2s ease;
}

body.single-course .dl-quiz-syllabus-block:not(.is-collapsed) .td-accordion-icon {
	transform: rotate(180deg);
}

body.single-course .dl-quiz-syllabus-block.is-collapsed .dl-quiz-syllabus-list,
body.single-course .dl-quiz-syllabus-block.is-collapsed .dl-quiz-syllabus-list.td-lesson-list {
	display: none !important;
	height: 0 !important;
	overflow: hidden !important;
	padding: 0 !important;
	visibility: hidden !important;
}

body.single-course .dl-quiz-syllabus-block:not(.is-collapsed) .dl-quiz-syllabus-list,
body.single-course .dl-quiz-syllabus-block:not(.is-collapsed) .dl-quiz-syllabus-list.td-lesson-list {
	height: auto !important;
	max-height: none !important;
	overflow: visible !important;
	visibility: visible !important;
	display: block !important;
	padding: 8px 12px 12px !important;
}

body.dl-quiz-open {
	overflow: hidden;
}

.dl-quiz-overlay[hidden] {
	display: none !important;
}

.dl-quiz-overlay:not([hidden]) {
	position: fixed;
	inset: 0;
	z-index: 100050;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: clamp(12px, 3vw, 32px);
	background: rgba(15, 23, 42, 0.62);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	box-sizing: border-box;
}

.dl-quiz-sheet {
	width: min(720px, 100%);
	max-height: min(92vh, 920px);
	min-height: 0;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	border-radius: 22px;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, var(--dlq-paper) 100%);
	box-shadow: var(--dlq-shadow);
	border: 1px solid rgba(255, 255, 255, 0.4);
	color: var(--dlq-ink);
	font-family: inherit;
}

.dl-quiz-sheet-head {
	position: relative;
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 12px;
	padding: 18px 20px 16px;
	padding-inline-start: 64px;
	background: linear-gradient(135deg, var(--dlq-indigo) 0%, var(--dlq-indigo-deep) 100%);
	color: #fff;
}

.dl-quiz-kicker {
	margin: 0 0 4px;
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	opacity: 0.82;
}

.dl-quiz-sheet-title {
	margin: 0;
	font-size: clamp(1.05rem, 2.4vw, 1.35rem);
	font-weight: 800;
	line-height: 1.45;
	color: #fff;
}

.dl-quiz-close {
	position: absolute;
	top: 12px;
	inset-inline-start: 12px;
	z-index: 6;
	flex: 0 0 auto;
	width: 40px;
	height: 40px;
	border: 2px solid rgba(255, 255, 255, 0.92);
	border-radius: 999px;
	background: #fff;
	color: #1e1b4b;
	font-size: 1.85rem;
	font-weight: 700;
	line-height: 1;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 14px rgba(15, 23, 42, 0.22);
}

.dl-quiz-close:hover,
.dl-quiz-close:focus-visible {
	background: #fef3c7;
	color: #111827;
	outline: none;
}

.dl-quiz-sheet-body {
	display: flex;
	flex-direction: column;
	gap: 0;
	padding: clamp(18px, 3.4vw, 28px);
	overflow: auto;
	-webkit-overflow-scrolling: touch;
}

.dl-quiz-progress {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-bottom: 18px;
}

.dl-quiz-progress-track {
	height: 8px;
	border-radius: 999px;
	background: rgba(79, 70, 229, 0.12);
	overflow: hidden;
}

.dl-quiz-progress-fill {
	display: block;
	height: 100%;
	width: 0;
	border-radius: inherit;
	background: linear-gradient(90deg, var(--dlq-indigo), #818cf8);
	transition: width 0.28s ease;
}

.dl-quiz-progress-label {
	font-size: 0.82rem;
	color: var(--dlq-muted);
	font-weight: 600;
}

.dl-quiz-timer {
	margin: 0 0 44px;
	padding: 14px 16px;
	border-radius: 14px;
	background: rgba(245, 158, 11, 0.14);
	border: 1px solid rgba(245, 158, 11, 0.35);
	color: #92400e;
	font-weight: 800;
	text-align: center;
	font-size: 1rem;
}

.dl-quiz-timer[hidden] {
	display: none !important;
}

.dl-quiz-questions {
	display: flex;
	flex-direction: column;
	gap: 32px;
	margin-bottom: 28px;
}

.dl-quiz-q {
	unicode-bidi: isolate;
}

.dl-quiz-q-text {
	margin: 0;
	font-size: clamp(1.05rem, 2.6vw, 1.28rem);
	line-height: 1.85;
	font-weight: 750;
	color: var(--dlq-ink);
	text-align: start;
	white-space: pre-wrap;
	word-break: break-word;
	overflow-wrap: anywhere;
}

.dl-quiz-q[dir="rtl"] .dl-quiz-q-text {
	text-align: right;
}

.dl-quiz-q[dir="ltr"] .dl-quiz-q-text {
	text-align: left;
}

.dl-quiz-options {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.dl-quiz-option {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	width: 100%;
	margin: 0;
	padding: 14px 16px;
	border-radius: 16px;
	border: 1.5px solid var(--dlq-line);
	background: #fff;
	color: inherit;
	cursor: pointer;
	text-align: start;
	font: inherit;
	line-height: 1.7;
	box-shadow: 0 8px 18px rgba(30, 27, 75, 0.04);
	transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
	unicode-bidi: isolate;
}

.dl-quiz-option[dir="rtl"] {
	flex-direction: row;
	text-align: right;
}

.dl-quiz-option[dir="ltr"] {
	flex-direction: row;
	text-align: left;
}

.dl-quiz-option:hover,
.dl-quiz-option:focus-visible {
	border-color: var(--dlq-indigo);
	background: rgba(79, 70, 229, 0.06);
	outline: none;
	transform: translateY(-1px);
}

.dl-quiz-option.is-selected {
	border-color: var(--dlq-indigo);
	background: linear-gradient(180deg, rgba(79, 70, 229, 0.14), rgba(79, 70, 229, 0.06));
	box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.dl-quiz-option-key {
	flex: 0 0 32px;
	width: 32px;
	height: 32px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 10px;
	background: rgba(79, 70, 229, 0.12);
	color: var(--dlq-indigo-deep);
	font-weight: 800;
	font-size: 0.82rem;
}

.dl-quiz-option.is-selected .dl-quiz-option-key {
	background: var(--dlq-indigo);
	color: #fff;
}

.dl-quiz-option-text {
	flex: 1 1 auto;
	min-width: 0;
	white-space: pre-wrap;
	word-break: break-word;
	overflow-wrap: anywhere;
}

.dl-quiz-nav {
	direction: ltr;
	display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	width: 100%;
}

.dl-quiz-nav-leading {
	display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
	align-items: center;
	gap: 8px;
}

.dl-quiz-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 10px 16px;
	border-radius: 12px;
	border: 0;
	font: inherit;
	font-weight: 800;
	cursor: pointer;
	white-space: nowrap;
}

.dl-quiz-btn[hidden] {
	display: none !important;
}

.dl-quiz-btn-next,
.dl-quiz-btn-submit {
	order: 1;
	background: var(--dlq-orange);
	color: #fff;
}

.dl-quiz-btn-submit {
	order: 2;
}

.dl-quiz-btn-prev {
	order: 3;
	margin-left: auto;
}

.dl-quiz-btn-next:hover,
.dl-quiz-btn-submit:hover {
	background: var(--dlq-orange-deep);
}

.dl-quiz-btn-next.is-disabled,
.dl-quiz-btn-next:disabled {
	opacity: 0.45;
	cursor: not-allowed;
}

.dl-quiz-btn-prev {
	background: rgba(79, 70, 229, 0.1);
	color: var(--dlq-indigo-deep);
	margin-inline-start: auto;
}

.dl-quiz-sheet-result {
	max-height: min(94vh, 960px);
}

.dl-quiz-sheet-result .dl-quiz-sheet-body,
.dl-quiz-sheet-result .td-modal-body {
	flex: 1 1 auto;
	min-height: 0;
	overflow: hidden;
	padding-bottom: 0;
	display: flex;
	flex-direction: column;
}

.dl-quiz-result-content {
	flex: 1 1 auto;
	min-height: 0;
	overflow: auto;
	-webkit-overflow-scrolling: touch;
	padding: 4px 2px 18px;
}

.dl-quiz-review {
	display: flex;
	flex-direction: column;
	gap: 22px;
}

.dl-quiz-review-item {
	padding: 16px 14px 18px;
	border-radius: 18px;
	border: 1px solid var(--dlq-line);
	background: #fff;
}

.dl-quiz-review-index {
	margin: 0 0 10px;
	font-size: 0.78rem;
	font-weight: 700;
	color: var(--dlq-muted);
}

.dl-quiz-review-options {
	display: flex;
	flex-direction: column;
	gap: 10px;
	margin-top: 14px;
}

.dl-quiz-review-option {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	padding: 12px 14px;
	border-radius: 14px;
	border: 1.5px solid var(--dlq-line);
	background: #fafafa;
	unicode-bidi: isolate;
}

.dl-quiz-review-option.is-right {
	border-color: #059669;
	background: rgba(16, 185, 129, 0.14);
	box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.12);
}

.dl-quiz-review-option.is-wrong {
	border-color: #dc2626;
	background: rgba(239, 68, 68, 0.12);
	box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.dl-quiz-review-option.is-key {
	border-color: #059669;
	background: rgba(16, 185, 129, 0.08);
}

.dl-quiz-review-option.is-right .dl-quiz-option-key,
.dl-quiz-review-option.is-key .dl-quiz-option-key {
	background: #059669;
	color: #fff;
}

.dl-quiz-review-option.is-wrong .dl-quiz-option-key {
	background: #dc2626;
	color: #fff;
}

.dl-quiz-review-flags {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-inline-start: auto;
	align-self: center;
}

.dl-quiz-flag {
	font-size: 0.72rem;
	font-weight: 800;
	padding: 4px 8px;
	border-radius: 999px;
	background: rgba(15, 23, 42, 0.08);
	white-space: nowrap;
}

.dl-quiz-review-option.is-right .dl-quiz-flag,
.dl-quiz-review-option.is-key .dl-quiz-flag-key {
	background: rgba(5, 150, 105, 0.18);
	color: #065f46;
}

.dl-quiz-review-option.is-wrong .dl-quiz-flag {
	background: rgba(220, 38, 38, 0.16);
	color: #991b1b;
}

.dl-quiz-result-foot {
	flex: 0 0 auto;
	padding: 16px 8px 18px;
	border-top: 1px solid var(--dlq-line);
	background: linear-gradient(180deg, rgba(255,250,244,0.6), #fff);
	text-align: center;
}

.dl-quiz-result-counts {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
	margin-bottom: 12px;
}

.dl-quiz-count {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 36px;
	padding: 6px 14px;
	border-radius: 999px;
	font-weight: 800;
	font-size: 0.92rem;
}

.dl-quiz-count.is-right {
	background: rgba(16, 185, 129, 0.16);
	color: #047857;
}

.dl-quiz-count.is-wrong {
	background: rgba(239, 68, 68, 0.14);
	color: #b91c1c;
}

.dl-quiz-result-status {
	margin: 0;
	font-size: clamp(1.2rem, 3vw, 1.55rem);
	font-weight: 800;
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
}

.dl-quiz-result-pct {
	display: block;
	font-size: 1.05em;
}

.dl-quiz-result-status.is-pass {
	color: #047857;
}

.dl-quiz-result-status.is-fail {
	color: #b91c1c;
}

@media (max-width: 720px) {
	.dl-quiz-overlay:not([hidden]) {
		align-items: stretch;
		padding: 0;
	}

	.dl-quiz-sheet {
		width: 100%;
		max-height: 100%;
		min-height: 100%;
		border-radius: 0;
	}

	.dl-quiz-sheet-body {
		flex: 1 1 auto;
	}
}

@media (max-width: 480px) {
	.dl-quiz-nav,
	.dl-quiz-nav-leading {
		gap: 8px;
	}

	.dl-quiz-btn {
		flex: 1 1 auto;
		padding: 10px 12px;
		font-size: 0.92rem;
	}

	.dl-quiz-btn-prev {
		flex: 0 1 auto;
	}

	.dl-quiz-option {
		padding: 12px;
	}
}

@media (min-width: 1100px) {
	.dl-quiz-sheet {
		width: min(760px, 92vw);
	}
}

.dl-quiz-sheet .td-modal-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 12px;
	padding: 18px 20px 16px;
	background: linear-gradient(135deg, var(--dlq-indigo) 0%, var(--dlq-indigo-deep) 100%);
	color: #fff;
}

.dl-quiz-sheet .td-modal-header h4 {
	margin: 0;
	font-size: clamp(1.05rem, 2.4vw, 1.35rem);
	font-weight: 800;
	color: #fff;
}

.dl-quiz-sheet .td-close {
	flex: 0 0 auto;
	width: 36px;
	height: 36px;
	border: 0;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.16);
	color: #fff;
	font-size: 1.4rem;
	line-height: 1;
	cursor: pointer;
}