/**
 * SADC Display Module — Full Stylesheet
 *
 * Zero-dependency calendar + course cards + modal.
 * Modern, clean, professional design system.
 *
 * @package SADC\LMS\Bridge\Display
 */

/* ============================================================
   DESIGN TOKENS
   ============================================================ */

:root {
	/* Brand palette - SADC Corporate */
	--sadc-brand-50:  #f4f6f8;
	--sadc-brand-100: #e8ecf0;
	--sadc-brand-200: #d1d9e0;
	--sadc-brand-300: #b3c0cc;
	--sadc-brand-400: #8a9ab0;
	--sadc-brand-500: #1a253e; /* Primary corporate blue */
	--sadc-brand-600: #151d33;
	--sadc-brand-700: #101628;
	--sadc-brand-800: #0b0f1a;

	/* Action/Accent - Red for CTAs and dots */
	--sadc-action-400: #f04e4e;
	--sadc-action-500: #ed2024; /* Primary action red */
	--sadc-action-600: #c91a1d;

	/* Neutral grays */
	--sadc-gray-50:  #f8fafc;
	--sadc-gray-100: #f1f5f9;
	--sadc-gray-200: #e2e8f0;
	--sadc-gray-300: #cbd5e1;
	--sadc-gray-400: #94a3b8;
	--sadc-gray-500: #64748b;
	--sadc-gray-600: #475569;
	--sadc-gray-700: #334155;
	--sadc-gray-800: #1e293b;
	--sadc-gray-900: #0f172a;

	/* Semantic */
	--sadc-success: #10b981;
	--sadc-warning: #f59e0b;
	--sadc-error:   #ef4444;

	/* Surface (light mode) */
	--sadc-bg:         #ffffff;
	--sadc-bg-2:       #f8fafc;
	--sadc-bg-3:       #f1f5f9;
	--sadc-border:     #e2e8f0;
	--sadc-border-2:   #cbd5e1;

	/* Text */
	--sadc-text-primary:   #0f172a;
	--sadc-text-secondary: #475569;
	--sadc-text-muted:     #64748b;
	--sadc-text-inverse:   #ffffff;

	/* Gradients */
	--sadc-grad-brand: linear-gradient(135deg, #1a253e 0%, #2d3a52 100%);
	--sadc-grad-action: linear-gradient(135deg, #ed2024 0%, #c91a1d 100%);

	/* Radius */
	--sadc-r-sm: 6px;
	--sadc-r-md: 8px;
	--sadc-r-lg: 12px;
	--sadc-r-xl: 16px;
	--sadc-r-2xl: 24px;
	--sadc-r-full: 9999px;

	/* Shadows - refined, subtle */
	--sadc-shadow-xs: 0 1px 2px rgba(0,0,0,.04);
	--sadc-shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
	--sadc-shadow-md: 0 4px 6px -1px rgba(0,0,0,.06), 0 2px 4px -1px rgba(0,0,0,.04);
	--sadc-shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
	--sadc-shadow-xl: 0 20px 25px -5px rgba(0,0,0,.08), 0 10px 10px -5px rgba(0,0,0,.04);
	--sadc-shadow-glow: 0 0 0 3px rgba(26,37,62,.12);

	/* Transitions */
	--sadc-t-fast:   150ms cubic-bezier(.4,0,.2,1);
	--sadc-t-base:   200ms cubic-bezier(.4,0,.2,1);
	--sadc-t-slow:   300ms cubic-bezier(.4,0,.2,1);

	/* Typography */
	--sadc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

	/* Z index */
	--sadc-z-modal: 9990;
}

/* Dark mode override */
@media (prefers-color-scheme: dark) {
	:root {
		--sadc-bg:         #0f172a;
		--sadc-bg-2:       #1e293b;
		--sadc-bg-3:       #334155;
		--sadc-border:     #334155;
		--sadc-border-2:   #475569;
		--sadc-text-primary:   #f1f5f9;
		--sadc-text-secondary: #cbd5e1;
		--sadc-text-muted:     #94a3b8;
		--sadc-shadow-xs: 0 1px 2px rgba(0,0,0,.2);
		--sadc-shadow-sm: 0 1px 3px rgba(0,0,0,.3);
		--sadc-shadow-md: 0 4px 6px rgba(0,0,0,.4);
		--sadc-shadow-lg: 0 10px 15px rgba(0,0,0,.5);
		--sadc-shadow-xl: 0 20px 25px rgba(0,0,0,.6);
	}
}

/* ============================================================
   GLOBAL RESETS (scoped)
   ============================================================ */

.sadc-calendar-container *,
.sadc-courses-grid *,
.sadc-modal * {
	box-sizing: border-box;
}

.sadc-calendar-container,
.sadc-courses-grid {
	font-family: var(--sadc-font);
	color: var(--sadc-text-primary);
	line-height: 1.5;
}

/* ============================================================
   CALENDAR WRAPPER
   ============================================================ */

.sadc-calendar-container {
	margin: 32px 0;
}

.sadc-calendar-wrapper {
	background: var(--sadc-bg);
	border: 1px solid var(--sadc-border);
	border-radius: var(--sadc-r-2xl);
	box-shadow: var(--sadc-shadow-lg);
	overflow: hidden;
}

/* ============================================================
   CALENDAR HEADER BAR
   ============================================================ */

.sadc-cal-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 24px 24px 0;
}

.sadc-cal-title-block {
	flex: 1;
	text-align: center;
}

.sadc-cal-month {
	margin: 0;
	font-size: 1.125rem; /* Reduced from huge size */
	font-weight: 600;
	color: var(--sadc-brand-500); /* Primary brand color, not red */
	letter-spacing: -0.01em;
}

.sadc-cal-subtitle {
	margin: 4px 0 0;
	font-size: 0.875rem;
	color: var(--sadc-text-muted);
	font-weight: 400;
}

/* Navigation arrows - smaller, cleaner */
.sadc-cal-nav {
	width: 36px;
	height: 36px;
	border: 1px solid var(--sadc-border);
	border-radius: var(--sadc-r-lg);
	background: var(--sadc-bg);
	color: var(--sadc-text-secondary);
	cursor: pointer;
	transition: all var(--sadc-t-fast);
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
}

.sadc-cal-nav:hover {
	background: var(--sadc-bg-2);
	border-color: var(--sadc-border-2);
	color: var(--sadc-brand-500);
	transform: translateY(-1px);
	box-shadow: var(--sadc-shadow-sm);
}

.sadc-cal-nav:active {
	transform: translateY(0);
}

.sadc-cal-nav svg {
	width: 24px; /* slightly larger so arrow nearly fills 36px nav box */
	height: 24px;
	stroke-width: 2.5;
}

.sadc-cal-nav:focus-visible {
	outline: 2px solid var(--sadc-brand-500);
	outline-offset: 2px;
}

/* ============================================================
   TOOLBAR (Today + View tabs)
   ============================================================ */

.sadc-cal-toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 24px;
	gap: 12px;
	border-bottom: 1px solid var(--sadc-border);
}

.sadc-cal-today-btn {
	padding: 6px 16px;
	border-radius: var(--sadc-r-md);
	border: 1px solid var(--sadc-border-2);
	background: var(--sadc-bg);
	color: var(--sadc-text-secondary);
	font-size: 0.8125rem;
	font-weight: 500;
	cursor: pointer;
	transition: all var(--sadc-t-fast);
	font-family: var(--sadc-font);
}

.sadc-cal-today-btn:hover {
	background: var(--sadc-bg-2);
	border-color: var(--sadc-brand-500);
	color: var(--sadc-brand-500);
}

.sadc-cal-view-tabs {
	display: flex;
	background: var(--sadc-bg-2);
	border-radius: var(--sadc-r-md);
	padding: 3px;
	gap: 2px;
	border: 1px solid var(--sadc-border);
}

.sadc-cal-tab {
	padding: 6px 16px;
	border-radius: var(--sadc-r-md);
	border: none;
	background: transparent;
	color: var(--sadc-text-muted);
	font-size: 0.8125rem;
	font-weight: 500;
	cursor: pointer;
	transition: all var(--sadc-t-fast);
	font-family: var(--sadc-font);
}

.sadc-cal-tab.active {
	background: var(--sadc-bg);
	color: var(--sadc-brand-500);
	box-shadow: var(--sadc-shadow-xs);
	font-weight: 600;
}

.sadc-cal-tab:hover:not(.active) {
	color: var(--sadc-text-inverse);
}

.sadc-cal-tab:focus-visible {
	outline: 2px solid var(--sadc-brand-500);
	outline-offset: 1px;
}

/* ============================================================
   GRID: DAY-OF-WEEK HEADER
   ============================================================ */

.sadc-cal-grid-header {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	background: var(--sadc-bg-2);
	border-bottom: 1px solid var(--sadc-border);
}

.sadc-cal-dow {
	padding: 12px 0;
	text-align: center;
	font-size: 0.6875rem;
	font-weight: 600;
	color: var(--sadc-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

/* ============================================================
   GRID: DAY CELLS
   ============================================================ */

.sadc-cal-grid {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
}

.sadc-cal-day {
	min-height: 90px;
	padding: 8px;
	border-right: 1px solid var(--sadc-border);
	border-bottom: 1px solid var(--sadc-border);
	cursor: pointer;
	transition: all var(--sadc-t-fast);
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 4px;
	background: var(--sadc-bg);
}

.sadc-cal-day:nth-child(7n) { border-right: none; }

.sadc-cal-day:hover {
	background: var(--sadc-bg-2);
}

.sadc-cal-day:focus-visible {
	outline: 2px solid var(--sadc-brand-500);
	outline-offset: -2px;
	z-index: 1;
}

.sadc-cal-day--other {
	background: var(--sadc-bg-2);
	cursor: default;
}

.sadc-cal-day--other:hover { background: var(--sadc-bg-2); }

.sadc-cal-day--other .sadc-cal-daynr {
	color: var(--sadc-text-muted);
	opacity: 0.6;
}

.sadc-cal-day--today {
	background: var(--sadc-brand-50);
}

.sadc-cal-day--today .sadc-cal-daynr {
	background: var(--sadc-brand-500);
	color: #fff;
	border-radius: var(--sadc-r-full);
	width: 28px;
	height: 28px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 600;
	font-size: 0.8125rem;
	box-shadow: var(--sadc-shadow-sm);
}

.sadc-cal-day--has-events {
	background: rgba(237, 32, 36, 0.03); /* Very subtle red tint */
}

.sadc-cal-day--has-events:hover {
	background: rgba(237, 32, 36, 0.06);
}

.sadc-cal-daynr {
	font-size: 0.8125rem;
	font-weight: 500;
	color: var(--sadc-text-primary);
	line-height: 1;
	align-self: flex-start;
	width: 28px;
	height: 28px;
	display: flex;
	align-items: center;
	justify-content: center;
}

/* ============================================================
   EVENT DOTS - All red for visibility
   ============================================================ */

.sadc-cal-dots {
	display: flex;
	flex-wrap: wrap;
	gap: 3px;
	margin-top: auto;
	padding-top: 4px;
}

.sadc-cal-dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--sadc-action-500); /* Red for visibility */
	flex-shrink: 0;
}

.sadc-cal-dot-more {
	font-size: 0.625rem;
	font-weight: 600;
	color: var(--sadc-action-500);
	line-height: 6px;
	margin-left: 2px;
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */

.sadc-cal-loading {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 16px;
	padding: 60px 0;
	color: var(--sadc-text-muted);
}

.sadc-cal-loading p {
	margin: 0;
	font-size: 0.875rem;
}

.sadc-cal-spinner {
	width: 32px;
	height: 32px;
	border: 2px solid var(--sadc-border);
	border-top-color: var(--sadc-brand-500);
	border-radius: 50%;
	animation: sadc-spin 0.8s linear infinite;
}

/* ============================================================
   LIST VIEW - MODERN ACCORDION + PAGINATION
   ============================================================ */

.sadc-cal-list-container {
	padding: 0;
}

/* Filter tabs */
.sadc-cal-list-filters {
	display: flex;
	gap: 8px;
	padding: 16px 24px;
	overflow-x: auto;
	border-bottom: 1px solid var(--sadc-border);
	background: var(--sadc-bg-2);
	scrollbar-width: none;
}

.sadc-cal-list-filters::-webkit-scrollbar {
	display: none;
}

.sadc-cal-filter-btn {
	padding: 6px 14px;
	border-radius: var(--sadc-r-full);
	border: 1px solid var(--sadc-border);
	background: var(--sadc-bg);
	color: var(--sadc-text-secondary);
	font-size: 0.8125rem;
	font-weight: 500;
	cursor: pointer;
	transition: all var(--sadc-t-fast);
	white-space: nowrap;
	flex-shrink: 0;
}

.sadc-cal-filter-btn:hover {
	border-color: var(--sadc-border-2);
	color: var(--sadc-text-primary);
}

.sadc-cal-filter-btn.active {
	background: var(--sadc-brand-500);
	border-color: var(--sadc-brand-500);
	color: #fff;
}

/* Accordion */
.sadc-cal-accordion {
	border-bottom: 1px solid var(--sadc-border);
}

.sadc-cal-accordion-header {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 24px;
	background: var(--sadc-bg);
	border: none;
	cursor: pointer;
	transition: background var(--sadc-t-fast);
	text-align: left;
	font-family: inherit;
}

.sadc-cal-accordion-header:hover {
	background: var(--sadc-bg-2);
}

.sadc-cal-accordion-month {
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--sadc-text-primary);
}

.sadc-cal-accordion-count {
	font-size: 0.8125rem;
	color: var(--sadc-text-muted);
	font-weight: 500;
	margin-left: auto;
	margin-right: 12px;
}

.sadc-cal-accordion-icon {
	color: var(--sadc-text-muted);
	transition: transform var(--sadc-t-base);
	flex-shrink: 0;
}

.sadc-cal-accordion.expanded .sadc-cal-accordion-icon {
	transform: rotate(180deg);
}

.sadc-cal-accordion-body {
	display: none;
	background: var(--sadc-bg-2);
}

.sadc-cal-accordion-body .sadc-cal-list-rows {
	padding: 8px 0;
}

/* List rows */
.sadc-cal-list-rows {
	display: flex;
	flex-direction: column;
}

.sadc-cal-list-row {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 14px 24px;
	text-decoration: none;
	color: var(--sadc-text-primary);
	transition: all var(--sadc-t-fast);
	border-left: 3px solid transparent;
	background: var(--sadc-bg);
}

.sadc-cal-list-row:hover {
	background: var(--sadc-bg-2);
	border-left-color: var(--sadc-action-500);
	text-decoration: none;
	color: var(--sadc-text-primary);
}

.sadc-cal-list-row:hover .sadc-cal-list-arrow {
	transform: translateX(3px);
	color: var(--sadc-action-500);
}

.sadc-cal-list-date-block {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	background: var(--sadc-bg-2);
	border-radius: var(--sadc-r-lg);
	border: 1px solid var(--sadc-border);
	flex-shrink: 0;
}

.sadc-cal-list-day {
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--sadc-brand-500);
	line-height: 1;
}

.sadc-cal-list-month-abbr {
	font-size: 0.625rem;
	font-weight: 600;
	color: var(--sadc-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	margin-top: 2px;
}

.sadc-cal-list-info {
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: 4px;
	min-width: 0;
}

.sadc-cal-list-title {
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--sadc-text-primary);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.sadc-cal-list-category {
	font-size: 0.75rem;
	color: var(--sadc-text-muted);
	font-weight: 500;
}

.sadc-cal-list-arrow {
	color: var(--sadc-text-muted);
	flex-shrink: 0;
	transition: all var(--sadc-t-fast);
	width: 16px;
	height: 16px;
}

.sadc-cal-list-empty {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
	padding: 60px 24px;
	text-align: center;
	color: var(--sadc-text-muted);
}

.sadc-cal-list-empty svg {
	color: var(--sadc-border-2);
}

.sadc-cal-list-empty p {
	margin: 0;
	font-size: 0.9375rem;
}

/* Pagination */
.sadc-cal-pagination {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 20px 24px;
	border-top: 1px solid var(--sadc-border);
	background: var(--sadc-bg);
}

.sadc-cal-page-numbers {
	display: flex;
	gap: 4px;
}

.sadc-cal-page-btn {
	min-width: 32px;
	height: 32px;
	padding: 0 8px;
	border-radius: var(--sadc-r-md);
	border: 1px solid var(--sadc-border);
	background: var(--sadc-bg);
	color: var(--sadc-text-secondary);
	font-size: 0.8125rem;
	font-weight: 500;
	cursor: pointer;
	transition: all var(--sadc-t-fast);
	display: flex;
	align-items: center;
	justify-content: center;
}

.sadc-cal-page-btn:hover:not(:disabled) {
	border-color: var(--sadc-border-2);
	color: var(--sadc-text-primary);
	background: var(--sadc-bg-2);
}

.sadc-cal-page-btn.active {
	background: var(--sadc-brand-500);
	border-color: var(--sadc-brand-500);
	color: #fff;
}

.sadc-cal-page-btn:disabled {
	opacity: 0.4;
	cursor: not-allowed;
}

.sadc-cal-page-btn svg {
	width: 16px;
	height: 16px;
}

/* ============================================================
   MODAL
   ============================================================ */

.sadc-modal {
	position: fixed;
	inset: 0;
	z-index: var(--sadc-z-modal);
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(0, 0, 0, 0);
	backdrop-filter: blur(0px);
	-webkit-backdrop-filter: blur(0px);
	transition: all var(--sadc-t-base);
	padding: 20px;
}

.sadc-modal.sadc-hidden {
	display: none;
}

.sadc-modal.sadc-modal--open {
	background: rgba(15, 23, 42, .6);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
}

.sadc-modal-content {
	background: var(--sadc-bg);
	border-radius: var(--sadc-r-2xl);
	max-width: 600px;
	width: 100%;
	max-height: 85vh;
	overflow-y: auto;
	position: relative;
	box-shadow: var(--sadc-shadow-xl);
	border: 1px solid var(--sadc-border);
	transform: translateY(20px) scale(0.98);
	opacity: 0;
	transition: all var(--sadc-t-base);
}

.sadc-modal--open .sadc-modal-content {
	transform: translateY(0) scale(1);
	opacity: 1;
}

.sadc-modal-content::-webkit-scrollbar { width: 6px; }
.sadc-modal-content::-webkit-scrollbar-track { background: transparent; }
.sadc-modal-content::-webkit-scrollbar-thumb { background: var(--sadc-border-2); border-radius: 99px; }

.sadc-modal-close {
	position: absolute;
	top: 16px;
	right: 16px;
	width: 32px;
	height: 32px;
	border-radius: var(--sadc-r-full);
	border: 1px solid var(--sadc-border);
	background: var(--sadc-bg-2);
	color: var(--sadc-text-muted);
	font-size: 1.25rem;
	line-height: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all var(--sadc-t-fast);
	z-index: 10;
}

.sadc-modal-close:hover {
	background: var(--sadc-error);
	border-color: var(--sadc-error);
	color: #fff;
}

.sadc-modal-body {
	padding: 0 24px 24px;
}

.sadc-modal-date-header {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 24px 24px 16px;
	color: var(--sadc-text-primary);
	border-bottom: 1px solid var(--sadc-border);
	margin-bottom: 16px;
}

.sadc-modal-date-header svg {
	color: var(--sadc-brand-500);
	flex-shrink: 0;
	width: 20px;
	height: 20px;
}

.sadc-modal-date-header h2 {
	margin: 0;
	font-size: 1.125rem;
	font-weight: 600;
	color: var(--sadc-text-primary);
}

.sadc-modal-loading,
.sadc-modal-error,
.sadc-modal-none {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 12px;
	padding: 48px 24px;
	text-align: center;
}

.sadc-modal-loading p,
.sadc-modal-error p,
.sadc-modal-none p {
	margin: 0;
	font-size: 0.9375rem;
	color: var(--sadc-text-muted);
}

.sadc-modal-error svg { color: var(--sadc-error); }
.sadc-modal-none svg { color: var(--sadc-text-muted); }

.sadc-modal-course-list {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.sadc-modal-card {
	display: flex;
	gap: 16px;
	padding: 16px;
	border: 1px solid var(--sadc-border);
	border-radius: var(--sadc-r-lg);
	transition: all var(--sadc-t-base);
	background: var(--sadc-bg);
}

.sadc-modal-card:hover {
	border-color: var(--sadc-brand-300);
	box-shadow: var(--sadc-shadow-md);
}

.sadc-modal-card-img {
	width: 80px;
	height: 80px;
	flex-shrink: 0;
	border-radius: var(--sadc-r-md);
	overflow: hidden;
	background: var(--sadc-bg-2);
	display: flex;
	align-items: center;
	justify-content: center;
}

.sadc-modal-card-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.sadc-modal-card-img--placeholder {
	color: var(--sadc-text-muted);
}

.sadc-modal-card-body {
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: 6px;
	min-width: 0;
}

.sadc-modal-card-title {
	margin: 0;
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--sadc-text-primary);
	line-height: 1.4;
}

.sadc-modal-card-metas {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.sadc-modal-card-meta {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 0.75rem;
	color: var(--sadc-text-muted);
}

.sadc-modal-card-meta svg {
	width: 12px;
	height: 12px;
	flex-shrink: 0;
}

.sadc-modal-card-meta strong {
	color: var(--sadc-text-secondary);
	font-weight: 500;
}

.sadc-modal-card-excerpt {
	margin: 0;
	font-size: 0.8125rem;
	color: var(--sadc-text-muted);
	line-height: 1.5;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

/* ============================================================
   COURSE CARDS (shortcodes other than calendar)
   ============================================================ */

.sadc-courses-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 24px;
	margin: 32px 0;
	font-family: var(--sadc-font);
}

.sadc-course-card {
	background: var(--sadc-bg);
	border: 1px solid var(--sadc-border);
	border-radius: var(--sadc-r-xl);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	position: relative;
	transition: all var(--sadc-t-base);
	opacity: 0;
	transform: translateY(12px);
	animation: sadc-fade-up 0.5s ease forwards;
	box-shadow: var(--sadc-shadow-sm);
}

.sadc-course-card:hover {
	transform: translateY(-4px);
	border-color: var(--sadc-brand-200);
	box-shadow: var(--sadc-shadow-xl);
}

.sadc-courses-grid .sadc-course-card:nth-child(1)  { animation-delay: .04s; }
.sadc-courses-grid .sadc-course-card:nth-child(2)  { animation-delay: .08s; }
.sadc-courses-grid .sadc-course-card:nth-child(3)  { animation-delay: .12s; }
.sadc-courses-grid .sadc-course-card:nth-child(4)  { animation-delay: .16s; }
.sadc-courses-grid .sadc-course-card:nth-child(n+5){ animation-delay: .20s; }

.sadc-badge {
	position: absolute;
	top: 12px;
	right: 12px;
	z-index: 2;
	padding: 4px 10px;
	border-radius: var(--sadc-r-full);
	font-size: 0.625rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
}

.sadc-badge-trending {
	background: var(--sadc-grad-action);
	color: #fff;
	box-shadow: var(--sadc-shadow-sm);
}

.sadc-course-image {
	width: 100%;
	height: 180px;
	overflow: hidden;
	background: var(--sadc-bg-2);
	position: relative;
}

.sadc-course-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--sadc-t-slow);
	display: block;
}

.sadc-course-card:hover .sadc-course-image img {
	transform: scale(1.05);
}

.sadc-course-content {
	flex: 1;
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.sadc-course-title {
	margin: 0;
	font-size: 1rem;
	font-weight: 600;
	color: var(--sadc-text-primary);
	line-height: 1.4;
	letter-spacing: -0.01em;
}

.sadc-course-date,
.sadc-course-end-date {
	margin: 0;
	font-size: 0.8125rem;
	color: var(--sadc-text-secondary);
	display: flex;
	align-items: center;
	gap: 6px;
}

.sadc-date-label {
	font-weight: 500;
	color: var(--sadc-text-muted);
}

.sadc-date-value {
	color: var(--sadc-brand-500);
	font-weight: 600;
}

.sadc-course-excerpt {
	margin: 0;
	font-size: 0.875rem;
	color: var(--sadc-text-secondary);
	line-height: 1.6;
	flex: 1;
}

.sadc-no-courses {
	grid-column: 1 / -1;
	text-align: center;
	padding: 48px 24px;
	color: var(--sadc-text-muted);
	font-size: 0.9375rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.sadc-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 8px 16px;
	border-radius: var(--sadc-r-md);
	border: none;
	font-size: 0.8125rem;
	font-weight: 600;
	text-decoration: none !important;
	cursor: pointer;
	transition: all var(--sadc-t-base);
	white-space: nowrap;
	font-family: var(--sadc-font);
	align-self: flex-start;
}

.sadc-btn:focus-visible {
	outline: 2px solid var(--sadc-brand-500);
	outline-offset: 2px;
}

.sadc-btn-primary {
	background: var(--sadc-brand-500);
	color: #fff !important;
	box-shadow: var(--sadc-shadow-sm);
}

.sadc-btn-primary:hover {
	background: var(--sadc-action-500); /* Red on hover as requested */
	transform: translateY(-1px);
	box-shadow: var(--sadc-shadow-md);
}

.sadc-btn-primary:active {
	transform: translateY(0);
	box-shadow: var(--sadc-shadow-sm);
}

/* ============================================================
   ANIMATIONS & KEYFRAMES
   ============================================================ */

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

@keyframes sadc-fade-up {
	from { opacity: 0; transform: translateY(12px); }
	to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
	.sadc-cal-header { padding: 16px 16px 0; }
	.sadc-cal-toolbar { padding: 12px 16px; }
	.sadc-cal-month { font-size: 1rem; }
	
	.sadc-cal-nav {
		width: 32px;
		height: 32px;
	}
	
	.sadc-cal-nav svg {
		width: 16px;
		height: 16px;
	}

	.sadc-cal-day   { min-height: 70px; padding: 6px; }
	.sadc-cal-daynr { font-size: 0.75rem; width: 24px; height: 24px; }
	
	.sadc-cal-day--today .sadc-cal-daynr {
		width: 24px; height: 24px; font-size: 0.75rem;
	}

	.sadc-cal-list-filters { padding: 12px 16px; }
	.sadc-cal-accordion-header { padding: 14px 16px; }
	.sadc-cal-list-row { padding: 12px 16px; }
	.sadc-cal-list-date-block { width: 44px; height: 44px; }
	.sadc-cal-list-day { font-size: 1rem; }
	
	.sadc-cal-pagination { padding: 16px; }
	
	.sadc-courses-grid { grid-template-columns: 1fr; gap: 16px; }

	.sadc-modal { padding: 16px; }
	.sadc-modal-content { max-height: 90vh; border-radius: var(--sadc-r-xl); }
	.sadc-modal-card { flex-direction: column; }
	.sadc-modal-card-img { width: 100%; height: 120px; }
	.sadc-modal-date-header { padding: 20px 20px 12px; }
	.sadc-modal-body { padding: 0 20px 20px; }
}

@media (max-width: 480px) {
	.sadc-cal-dot { width: 5px; height: 5px; }
	.sadc-cal-dow { font-size: 0.625rem; padding: 8px 0; }
	.sadc-cal-filter-btn { padding: 5px 10px; font-size: 0.75rem; }
	
	.sadc-modal-content { border-radius: var(--sadc-r-lg); }
	.sadc-btn { font-size: 0.8125rem; padding: 8px 14px; }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: .01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: .01ms !important;
	}
}

@media (prefers-contrast: more) {
	.sadc-course-card,
	.sadc-modal-card  { border-width: 2px; }
	.sadc-cal-day--today .sadc-cal-daynr { outline: 2px solid #fff; }
}

/* ============================================================
   PRINT
   ============================================================ */

@media print {
	.sadc-modal { display: none !important; }
	.sadc-courses-grid { grid-template-columns: repeat(2, 1fr); }
	.sadc-course-card  { box-shadow: none; border: 1px solid #ccc; }
	.sadc-cal-accordion-body { display: block !important; }
}