/**
 * Frontend styles for the University Academic Description System.
 *
 * Everything is scoped under .uad-app and every property is set explicitly, so
 * the component looks the same in any theme without needing Bootstrap and
 * without leaking styles outward. Logical properties keep Arabic RTL and
 * English LTR correct from one stylesheet.
 */

.uad-app {
	--uad-primary: #0b5c4a;
	--uad-secondary: #12805f;
	--uad-button: #0b5c4a;
	--uad-text: #1f2933;
	--uad-muted: #5b6670;
	--uad-surface: #fff;
	--uad-surface-alt: #f5f7f6;
	--uad-border: #e1e6e4;
	--uad-radius: 14px;
	--uad-columns: 3;
	--uad-gap: 20px;

	box-sizing: border-box;
	color: var(--uad-text);
	font-size: 16px;
	line-height: 1.7;
	margin-block: 24px;
	max-width: 100%;
	overflow-wrap: break-word;
}

/*
 * Academic descriptions are author-supplied HTML and the widget is dropped into
 * themes we do not control, so restate the text-flow properties an enclosing
 * element could otherwise impose. Without this a single inherited
 * `white-space: nowrap` makes the whole page scroll sideways.
 */
.uad-app .uad-panel-view,
.uad-app .uad-description__content,
.uad-app .uad-structured-view {
	max-width: 100%;
	font-family: inherit;
	white-space: normal;
	overflow-wrap: break-word;
}

.uad-app *,
.uad-app *::before,
.uad-app *::after {
	box-sizing: inherit;
}

/*
 * The panels, the status bar and the search results are toggled with the
 * `hidden` attribute. Any `display` we set below would otherwise beat the user
 * agent's `[hidden] { display: none }`, leaving the loading bar on screen for
 * good, so restate it at a weight nothing here can outrank.
 */
.uad-app [hidden] {
	display: none !important;
}

.uad-app .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.uad-app :focus-visible {
	outline: 3px solid var(--uad-secondary);
	outline-offset: 2px;
}

/* Headings and notices ------------------------------------------------ */

.uad-app .uad-heading {
	font-size: 1.6em;
	line-height: 1.3;
	margin-block: 0 16px;
	color: var(--uad-primary);
}

.uad-app .uad-notice {
	background: var(--uad-surface-alt);
	border: 1px solid var(--uad-border);
	border-radius: var(--uad-radius);
	padding: 16px 20px;
	margin-block: 12px;
	color: var(--uad-muted);
}

.uad-app .uad-notice--warn {
	background: #fdf6e3;
	border-color: #e8d9a8;
	color: #7a5c00;
}

/* Breadcrumb ---------------------------------------------------------- */

.uad-app .uad-breadcrumb {
	margin-block-end: 16px;
}

.uad-app .uad-breadcrumb__list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	list-style: none;
	margin: 0;
	padding: 0;
	font-size: 0.9em;
}

.uad-app .uad-breadcrumb__list li + li::before {
	content: "›";
	margin-inline-end: 6px;
	color: var(--uad-muted);
}

.uad-app .uad-breadcrumb__list li {
	display: flex;
	align-items: center;
}

.uad-app .uad-crumb {
	background: none;
	border: 0;
	padding: 2px 4px;
	font: inherit;
	color: var(--uad-secondary);
	cursor: pointer;
	text-decoration: underline;
	border-radius: 4px;
}

.uad-app .uad-crumb--current {
	color: var(--uad-muted);
	cursor: default;
	text-decoration: none;
}

/* Search -------------------------------------------------------------- */

.uad-app .uad-search {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-block-end: 16px;
}

.uad-app .uad-search__input {
	flex: 1 1 240px;
	min-width: 0;
	padding: 12px 16px;
	border: 1px solid var(--uad-border);
	border-radius: var(--uad-radius);
	font: inherit;
	color: inherit;
	background: var(--uad-surface);
}

.uad-app .uad-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	padding: 12px 22px;
	border: 1px solid transparent;
	border-radius: var(--uad-radius);
	font: inherit;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.uad-app .uad-btn--primary {
	background: var(--uad-button);
	color: #fff;
}

.uad-app .uad-btn--primary:hover,
.uad-app .uad-btn--primary:focus {
	background: var(--uad-secondary);
	color: #fff;
}

.uad-app .uad-filters-row {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-block-end: 16px;
}

.uad-app .uad-filter {
	display: flex;
	flex-direction: column;
	gap: 4px;
	font-size: 0.85em;
	color: var(--uad-muted);
}

.uad-app .uad-select {
	padding: 8px 12px;
	border: 1px solid var(--uad-border);
	border-radius: 8px;
	background: var(--uad-surface);
	font: inherit;
	color: var(--uad-text);
	max-width: 100%;
}

/* Status -------------------------------------------------------------- */

.uad-app .uad-status {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 12px 16px;
	margin-block: 12px;
	background: var(--uad-surface-alt);
	border-radius: var(--uad-radius);
	color: var(--uad-muted);
	font-size: 0.9em;
}

.uad-app .uad-status.is-error {
	background: #fcf0f1;
	color: #a3282a;
}

.uad-app .uad-spinner {
	width: 16px;
	height: 16px;
	border: 2px solid var(--uad-border);
	border-top-color: var(--uad-primary);
	border-radius: 50%;
	flex: 0 0 auto;
}

.uad-app .uad-status.is-loading .uad-spinner {
	animation: uad-spin 0.8s linear infinite;
}

.uad-app .uad-status:not(.is-loading) .uad-spinner {
	display: none;
}

@keyframes uad-spin {
	to {
		transform: rotate(360deg);
	}
}

@media (prefers-reduced-motion: reduce) {
	.uad-app .uad-status.is-loading .uad-spinner {
		animation: none;
	}

	.uad-app * {
		scroll-behavior: auto !important;
	}
}

/* Card grid ----------------------------------------------------------- */

.uad-app .uad-grid {
	display: grid;
	grid-template-columns: repeat(var(--uad-columns), minmax(0, 1fr));
	gap: var(--uad-gap);
	list-style: none;
	margin: 0;
	padding: 0;
}

@media (max-width: 1024px) {
	.uad-app .uad-grid {
		grid-template-columns: repeat(min(var(--uad-columns), 2), minmax(0, 1fr));
	}
}

@media (max-width: 640px) {
	.uad-app .uad-grid {
		grid-template-columns: 1fr;
	}
}

.uad-app .uad-card {
	margin: 0;
	padding: 0;
	list-style: none;
	height: 100%;
}

.uad-app .uad-card__button {
	display: flex;
	flex-direction: column;
	align-items: stretch;
	gap: 10px;
	width: 100%;
	height: 100%;
	padding: 22px;
	background: var(--uad-surface);
	border: 1px solid var(--uad-border);
	border-radius: var(--uad-radius);
	box-shadow: 0 1px 3px rgba(16, 24, 32, 0.06);
	font: inherit;
	color: inherit;
	text-align: start;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.uad-app .uad-card__button:hover,
.uad-app .uad-card__button:focus-within {
	border-color: var(--uad-primary);
	box-shadow: 0 6px 18px rgba(16, 24, 32, 0.1);
	transform: translateY(-2px);
}

.uad-app[style*="--uad-card-style"] .uad-card__button {
	/* Card style variants are applied through the modifier classes below. */
}

.uad-app .uad-card__icon img {
	width: 56px;
	height: 56px;
	object-fit: contain;
	display: block;
}

.uad-app .uad-card__media img {
	width: 100%;
	height: 140px;
	object-fit: cover;
	border-radius: calc(var(--uad-radius) - 4px);
	display: block;
}

.uad-app .uad-card__body {
	display: flex;
	flex-direction: column;
	gap: 6px;
	flex: 1 1 auto;
}

.uad-app .uad-card__title {
	font-size: 1.1em;
	font-weight: 700;
	color: var(--uad-primary);
	line-height: 1.4;
}

.uad-app .uad-card__desc,
.uad-app .uad-card__meta {
	font-size: 0.88em;
	color: var(--uad-muted);
}

.uad-app .uad-card__cta {
	display: inline-block;
	margin-block-start: auto;
	padding-block-start: 8px;
	font-size: 0.9em;
	font-weight: 600;
	color: var(--uad-secondary);
	border-top: 1px solid var(--uad-border);
	text-decoration: none;
}

/* Detail view --------------------------------------------------------- */

.uad-app .uad-detail-header {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-block-end: 16px;
}

.uad-app .uad-detail-title {
	margin: 0;
	font-size: 1.35em;
	color: var(--uad-primary);
}

.uad-app .uad-year-filter {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-block: 12px;
}

.uad-app .uad-year-filter__label {
	font-weight: 600;
	font-size: 0.92em;
}

.uad-app .uad-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-block-end: 16px;
	border-bottom: 2px solid var(--uad-border);
}

.uad-app .uad-tab {
	padding: 10px 18px;
	background: transparent;
	border: 0;
	border-bottom: 3px solid transparent;
	margin-bottom: -2px;
	font: inherit;
	font-weight: 600;
	color: var(--uad-muted);
	cursor: pointer;
	border-radius: 6px 6px 0 0;
}

.uad-app .uad-tab.is-active {
	color: var(--uad-primary);
	border-bottom-color: var(--uad-primary);
	background: var(--uad-surface-alt);
}

.uad-app .uad-description {
	background: var(--uad-surface);
	border: 1px solid var(--uad-border);
	border-radius: var(--uad-radius);
	padding: 24px;
}

.uad-app .uad-description__title {
	margin-block: 0 10px;
	font-size: 1.2em;
	color: var(--uad-primary);
}

.uad-app .uad-description__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 16px;
	list-style: none;
	margin: 0 0 20px;
	padding: 0 0 16px;
	border-bottom: 1px solid var(--uad-border);
	font-size: 0.85em;
	color: var(--uad-muted);
}

.uad-app .uad-description__content > *:first-child {
	margin-block-start: 0;
}

.uad-app .uad-description__content h2,
.uad-app .uad-description__content h3,
.uad-app .uad-description__content h4 {
	color: var(--uad-primary);
	margin-block: 1.4em 0.5em;
}

.uad-app .uad-description__content ul,
.uad-app .uad-description__content ol {
	padding-inline-start: 1.6em;
}

.uad-app .uad-description__content img {
	max-width: 100%;
	height: auto;
}

/* Academic descriptions lean heavily on tables; they must scroll rather
   than force the page to scroll sideways on a phone. */
.uad-app .uad-description__content table,
.uad-app .uad-structured-view table {
	width: 100%;
	border-collapse: collapse;
	margin-block: 16px;
	display: block;
	overflow-x: auto;
	white-space: normal;
}

.uad-app .uad-description__content th,
.uad-app .uad-description__content td,
.uad-app .uad-structured-view th,
.uad-app .uad-structured-view td {
	border: 1px solid var(--uad-border);
	padding: 10px 12px;
	text-align: start;
	vertical-align: top;
}

.uad-app .uad-description__content thead th,
.uad-app .uad-structured-view thead th {
	background: var(--uad-surface-alt);
	font-weight: 700;
	color: var(--uad-primary);
}

.uad-app .uad-structured-view {
	margin-block-start: 24px;
	border-top: 1px solid var(--uad-border);
	padding-block-start: 16px;
}

.uad-app .uad-structured-view__row {
	margin-block-end: 16px;
}

.uad-app .uad-structured-view__row h4 {
	margin-block: 0 4px;
	font-size: 1em;
	color: var(--uad-primary);
}

/* Search results ------------------------------------------------------ */

.uad-app .uad-results {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.uad-app .uad-result__button {
	display: flex;
	flex-direction: column;
	gap: 4px;
	width: 100%;
	padding: 14px 18px;
	background: var(--uad-surface);
	border: 1px solid var(--uad-border);
	border-radius: var(--uad-radius);
	font: inherit;
	color: inherit;
	text-align: start;
	cursor: pointer;
}

.uad-app .uad-result__button:hover,
.uad-app .uad-result__button:focus {
	border-color: var(--uad-primary);
}

.uad-app .uad-result__title {
	font-weight: 700;
	color: var(--uad-primary);
}

.uad-app .uad-result__path {
	font-size: 0.85em;
	color: var(--uad-muted);
}

/* Card style variants ------------------------------------------------- */

.uad-app[data-card-style="flat"] .uad-card__button {
	box-shadow: none;
	border-color: transparent;
	background: var(--uad-surface-alt);
}

.uad-app[data-card-style="outlined"] .uad-card__button {
	box-shadow: none;
	border-width: 2px;
	border-color: var(--uad-border);
	background: transparent;
}

/* Dark themes --------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
	.uad-app {
		--uad-surface: #16201d;
		--uad-surface-alt: #1d2a26;
		--uad-border: #2c3a35;
		--uad-text: #e8eeeb;
		--uad-muted: #a5b3ad;
	}

	.uad-app .uad-card__button {
		box-shadow: none;
	}
}