/**
 * Assigned Quizzes Frontend Styles
 *
 * Compact table-based design for displaying assigned quizzes.
 * Uses CSS variables from PressPrimer Quiz theme system for consistency.
 *
 * @package PressPrimer_Quiz_Educator
 * @since 2.0.0
 */

/* ==========================================================================
   CSS Variable Defaults (used if core plugin variables not available)
   ========================================================================== */

.ppqe-assigned-quizzes {
	/* Fallback values - these will be overridden by core plugin's theme CSS */
	--ppqe-primary: var(--ppq-primary, #1890ff);
	--ppqe-primary-hover: var(--ppq-primary-hover, #096dd9);
	--ppqe-primary-light: var(--ppq-primary-light, rgba(24, 144, 255, 0.1));
	--ppqe-success: var(--ppq-success, #52c41a);
	--ppqe-success-hover: var(--ppq-success-hover, #389e0d);
	--ppqe-success-light: var(--ppq-success-light, rgba(82, 196, 26, 0.15));
	--ppqe-error: var(--ppq-error, #ff4d4f);
	--ppqe-error-hover: var(--ppq-error-hover, #cf1322);
	--ppqe-error-light: var(--ppq-error-light, rgba(255, 77, 79, 0.15));
	--ppqe-warning: var(--ppq-warning, #faad14);
	--ppqe-warning-hover: var(--ppq-warning-hover, #d48806);
	--ppqe-warning-light: var(--ppq-warning-light, rgba(250, 173, 20, 0.15));
	--ppqe-info: var(--ppq-info, #722ed1);
	--ppqe-info-light: var(--ppq-info-light, rgba(114, 46, 209, 0.15));
	--ppqe-text: var(--ppq-text, #1d2327);
	--ppqe-text-secondary: var(--ppq-text-secondary, #595959);
	--ppqe-text-muted: var(--ppq-text-muted, #8c8c8c);
	--ppqe-bg: var(--ppq-bg, #ffffff);
	--ppqe-bg-secondary: var(--ppq-bg-secondary, #fafafa);
	--ppqe-border: var(--ppq-border, #e8e8e8);
	--ppqe-font-family: var(--ppq-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif);
}

/* ==========================================================================
   Container
   ========================================================================== */

.ppqe-assigned-quizzes {
	max-width: 900px;
	margin: 0 auto;
	font-family: var(--ppqe-font-family);
	font-size: 16px;
	color: var(--ppqe-text);
}

.ppqe-assigned-quizzes--login-required,
.ppqe-assigned-quizzes--empty {
	text-align: center;
	padding: 24px 20px;
	background: var(--ppqe-bg-secondary);
	border-radius: 4px;
	color: var(--ppqe-text-secondary);
}

.ppqe-assigned-quizzes--login-required p,
.ppqe-assigned-quizzes--empty p {
	margin: 0 0 12px;
	font-size: 16px;
}

/* ==========================================================================
   Filters (Multi-select checkboxes)
   ========================================================================== */

.ppqe-filters {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px 14px;
	margin-bottom: 12px;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--ppqe-border);
}

.ppqe-filters__label {
	font-size: 16px;
	color: var(--ppqe-text-muted);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.ppqe-filter {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	cursor: pointer;
	user-select: none;
}

.ppqe-filter__checkbox {
	margin: 0;
	cursor: pointer;
}

.ppqe-filter__label {
	font-size: 16px;
	color: var(--ppqe-text);
}

.ppqe-filter__count {
	font-size: 16px;
	color: var(--ppqe-text-muted);
}

/* ==========================================================================
   Table
   ========================================================================== */

.ppqe-table-wrapper {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.ppqe-table {
	width: 100%;
	border-collapse: collapse;
	border: 1px solid var(--ppqe-border);
	background: var(--ppqe-bg);
	font-size: 16px;
}

.ppqe-table th,
.ppqe-table td {
	padding: 8px 10px;
	text-align: left;
	border-bottom: 1px solid var(--ppqe-border);
}

.ppqe-table th {
	background: var(--ppqe-bg-secondary);
	font-weight: 600;
	font-size: 18px;
	color: var(--ppqe-text-secondary);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	white-space: nowrap;
	cursor: pointer;
	user-select: none;
}

.ppqe-table th:hover {
	color: var(--ppqe-primary);
}

.ppqe-table th[data-sort]:hover {
	background: var(--ppqe-border);
}

/* Focus styles for keyboard navigation */
.ppqe-table th[data-sort]:focus {
	outline: 2px solid var(--ppqe-primary);
	outline-offset: -2px;
	background: var(--ppqe-border);
}

.ppqe-table th[data-sort]:focus:not(:focus-visible) {
	outline: none;
}

.ppqe-table th[data-sort]:focus-visible {
	outline: 2px solid var(--ppqe-primary);
	outline-offset: -2px;
	background: var(--ppqe-border);
}

/* Alternating row shading */
.ppqe-table tbody tr:nth-child(even) {
	background: var(--ppqe-bg-secondary);
}

.ppqe-table tbody tr:hover {
	background: #f0f0f0;
}

.ppqe-table tbody tr:last-child td {
	border-bottom: none;
}

/* Column widths */
.ppqe-table__col--quiz {
	width: 40%;
}

.ppqe-table__col--due {
	width: 25%;
	white-space: nowrap;
}

.ppqe-table__col--status {
	width: 15%;
}

.ppqe-table__col--action {
	width: 20%;
	text-align: center;
}

.ppqe-table th.ppqe-table__col--action {
	text-align: center;
	cursor: default;
}

.ppqe-table th.ppqe-table__col--action:hover {
	background: var(--ppqe-bg-secondary);
	color: var(--ppqe-text-secondary);
}

.ppqe-table td.ppqe-table__col--action {
	text-align: center;
}

/* Sort icons */
.ppqe-sort-icon {
	display: inline-block;
	width: 0;
	height: 0;
	margin-left: 5px;
	vertical-align: middle;
	opacity: 0.3;
}

.ppqe-sort-icon::before,
.ppqe-sort-icon::after {
	content: '';
	display: block;
	width: 0;
	height: 0;
	border-left: 3px solid transparent;
	border-right: 3px solid transparent;
}

.ppqe-sort-icon::before {
	border-bottom: 3px solid currentColor;
	margin-bottom: 1px;
}

.ppqe-sort-icon::after {
	border-top: 3px solid currentColor;
}

th[data-sort-dir="asc"] .ppqe-sort-icon {
	opacity: 1;
}

th[data-sort-dir="asc"] .ppqe-sort-icon::before {
	border-bottom-color: var(--ppqe-primary);
}

th[data-sort-dir="asc"] .ppqe-sort-icon::after {
	opacity: 0.3;
}

th[data-sort-dir="desc"] .ppqe-sort-icon {
	opacity: 1;
}

th[data-sort-dir="desc"] .ppqe-sort-icon::before {
	opacity: 0.3;
}

th[data-sort-dir="desc"] .ppqe-sort-icon::after {
	border-top-color: var(--ppqe-primary);
}

/* Hidden rows */
.ppqe-table__row--hidden {
	display: none !important;
}

/* No results message */
.ppqe-no-results {
	text-align: center;
	padding: 20px;
	color: var(--ppqe-text-muted);
	font-style: italic;
	font-size: 16px;
}

/* ==========================================================================
   Status Badges (square tag style)
   ========================================================================== */

.ppqe-badge {
	display: inline-block;
	padding: 3px 8px;
	border-radius: 2px;
	font-size: 12px;
	font-weight: 500;
	white-space: nowrap;
	text-transform: uppercase;
	letter-spacing: 0.3px;
}

.ppqe-badge--not_started {
	background: #f0f0f0;
	color: #8c8c8c;
}

.ppqe-badge--in_progress {
	background: var(--ppqe-primary-light);
	color: var(--ppqe-primary);
}

.ppqe-badge--completed {
	background: var(--ppqe-success-light);
	color: var(--ppqe-success);
}

.ppqe-badge--overdue {
	background: var(--ppqe-error-light);
	color: var(--ppqe-error);
}

.ppqe-badge--upcoming {
	background: var(--ppqe-info-light);
	color: var(--ppqe-info);
}

/* ==========================================================================
   Due Date Styling (no colors - keep neutral)
   ========================================================================== */

.ppqe-table td.ppqe-table__col--due {
	color: var(--ppqe-text-secondary);
}

.ppqe-available-notice {
	color: var(--ppqe-text-muted);
	font-style: italic;
}

/* ==========================================================================
   Buttons (minimal rounding)
   ========================================================================== */

.ppqe-btn {
	display: inline-block;
	padding: 6px 14px;
	border: none;
	border-radius: 4px;
	font-size: 16px;
	font-weight: 500;
	text-decoration: none;
	text-align: center;
	cursor: pointer;
	transition: background-color 0.2s, opacity 0.2s;
}

.ppqe-btn--sm {
	padding: 5px 12px;
	font-size: 16px;
}

.ppqe-btn--primary {
	background: var(--ppqe-primary);
	color: #fff;
}

.ppqe-btn--primary:hover {
	background: var(--ppqe-primary-hover);
	color: #fff;
}

.ppqe-btn--success {
	background: var(--ppqe-success);
	color: #fff;
}

.ppqe-btn--success:hover {
	background: var(--ppqe-success-hover);
	color: #fff;
}

.ppqe-btn--warning {
	background: var(--ppqe-warning);
	color: #fff;
}

.ppqe-btn--warning:hover {
	background: var(--ppqe-warning-hover);
	color: #fff;
}

.ppqe-btn--disabled {
	background: #f0f0f0;
	color: var(--ppqe-text-muted);
	cursor: not-allowed;
}

.ppqe-btn--disabled:hover {
	background: #f0f0f0;
}

/* ==========================================================================
   Responsive - Stacked card layout for mobile
   ========================================================================== */

@media (max-width: 768px) {
	.ppqe-filters {
		gap: 8px 12px;
	}

	.ppqe-filters__label {
		width: 100%;
		margin-bottom: 4px;
	}

	.ppqe-table-wrapper {
		overflow-x: visible;
	}

	.ppqe-table {
		border: none;
	}

	.ppqe-table,
	.ppqe-table thead,
	.ppqe-table tbody,
	.ppqe-table th,
	.ppqe-table td,
	.ppqe-table tr {
		display: block;
	}

	.ppqe-table thead {
		position: absolute;
		top: -9999px;
		left: -9999px;
	}

	.ppqe-table tbody tr {
		border: 1px solid var(--ppqe-border);
		border-radius: 6px;
		margin-bottom: 12px;
		padding: 14px;
		background: var(--ppqe-bg);
	}

	.ppqe-table tbody tr:nth-child(even) {
		background: var(--ppqe-bg);
	}

	.ppqe-table tbody tr:hover {
		background: var(--ppqe-bg);
	}

	.ppqe-table td {
		border: none;
		padding: 6px 0;
		display: flex;
		align-items: center;
		font-size: 16px;
		width: 100%;
	}

	.ppqe-table td::before {
		content: attr(data-label);
		flex: 0 0 80px;
		font-weight: 600;
		font-size: 12px;
		color: var(--ppqe-text-muted);
		text-transform: uppercase;
	}

	.ppqe-table td.ppqe-table__col--quiz {
		display: block;
		width: 100%;
		font-weight: 600;
		font-size: 17px;
		padding-bottom: 8px;
		margin-bottom: 4px;
		border-bottom: 1px solid var(--ppqe-border);
	}

	.ppqe-table td.ppqe-table__col--quiz::before {
		display: none;
	}

	.ppqe-table td.ppqe-table__col--due,
	.ppqe-table td.ppqe-table__col--status,
	.ppqe-table td.ppqe-table__col--action {
		width: 100%;
	}

	.ppqe-table td.ppqe-table__col--due::before {
		content: 'Due';
	}

	.ppqe-table td.ppqe-table__col--status::before {
		content: 'Status';
	}

	.ppqe-table td.ppqe-table__col--action {
		padding-top: 10px;
		margin-top: 6px;
		border-top: 1px solid var(--ppqe-border);
	}

	.ppqe-table td.ppqe-table__col--action::before {
		display: none;
	}

	.ppqe-table td.ppqe-table__col--action .ppqe-btn {
		width: 100%;
		padding: 10px 16px;
	}

	.ppqe-btn--sm {
		font-size: 16px;
	}
}

/* ==========================================================================
   Quiz Player Notices
   ========================================================================== */

.ppqe-quiz-player-notice {
	max-width: 600px;
	margin: 40px auto;
	padding: 24px 32px;
	border-radius: 6px;
	text-align: center;
	font-family: var(--ppqe-font-family);
	font-size: 16px;
}

.ppqe-quiz-player-notice p {
	margin: 0 0 16px;
	line-height: 1.6;
}

.ppqe-quiz-player-notice p:last-child {
	margin-bottom: 0;
}

.ppqe-quiz-player-notice--info {
	background: var(--ppqe-primary-light);
	border: 1px solid var(--ppqe-primary);
	color: var(--ppqe-text);
}

.ppqe-quiz-player-notice--warning {
	background: var(--ppqe-warning-light);
	border: 1px solid var(--ppqe-warning);
	color: var(--ppqe-text);
}

.ppqe-quiz-player-notice--error {
	background: var(--ppqe-error-light);
	border: 1px solid var(--ppqe-error);
	color: var(--ppqe-text);
}

.ppqe-quiz-player-notice--success {
	background: var(--ppqe-success-light);
	border: 1px solid var(--ppqe-success);
	color: var(--ppqe-text);
}