/**
 * GDC Card Component
 *
 * 6 regions:  Media, Header, Body, Actions, Status, Footer
 * 7 states:   default, hover, active, focus, loading, complete, error
 * 4 variants: builder, listing, dashboard, booking
 *
 * All animations use GPU-safe properties (transform, opacity).
 * Tokens sourced from tokens.css (layer 1 + 2).
 *
 * @package GDC
 * @since   1.0.0
 */

/* ==========================================================
   KEYFRAMES — GPU-safe (transform + opacity only)
   ========================================================== */

@keyframes gdc-card-shimmer {
	0%   { transform: translateX(-100%); }
	100% { transform: translateX(100%); }
}

@keyframes gdc-card-checkmark {
	0%   { opacity: 0; transform: scale(0.5); }
	50%  { opacity: 1; transform: scale(1.15); }
	100% { opacity: 1; transform: scale(1); }
}

@keyframes gdc-card-shake {
	0%, 100% { transform: translateX(0); }
	20%      { transform: translateX(-4px); }
	40%      { transform: translateX(4px); }
	60%      { transform: translateX(-3px); }
	80%      { transform: translateX(3px); }
}

/* ==========================================================
   BASE CARD CONTAINER
   ========================================================== */

.gdc-card {
	background: var(--gdc-bg-abyss);
	border: 1px solid var(--gdc-border-light);
	border-radius: var(--gdc-radius-card);
	padding: var(--gdc-space-2);
	display: flex;
	flex-direction: column;
	gap: var(--gdc-space-2);
	overflow: hidden;
	position: relative;

	cursor: pointer;

	transition:
		transform var(--gdc-duration-fast) var(--gdc-ease-out),
		opacity var(--gdc-duration-fast) var(--gdc-ease-out),
		border-color var(--gdc-duration-fast) var(--gdc-ease-out);

	/* GPU layer promotion for smooth animations */
	will-change: transform, opacity;
	transform: translateZ(0);
}

/* ==========================================================
   REGION: MEDIA
   ========================================================== */

.gdc-card__media {
	aspect-ratio: 16 / 9;
	border-radius: var(--gdc-radius-md);
	overflow: hidden;
	position: relative;
	flex-shrink: 0;
	/* Pull media to card edges — negative margin cancels card padding */
	margin: calc(-1 * var(--gdc-space-2)) calc(-1 * var(--gdc-space-2)) 0;
	border-radius: 0;
}

.gdc-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform var(--gdc-duration-slow) var(--gdc-ease-image);
}

.gdc-card:hover .gdc-card__media img {
	transform: scale(var(--gdc-image-hover-scale));
}

.gdc-card__media::after {
	content: '';
	position: absolute;
	inset: 0;
	background: var(--gdc-overlay-gradient);
	pointer-events: none;
}

/* ==========================================================
   REGION: HEADER
   ========================================================== */

.gdc-card__header {
	display: flex;
	flex-direction: column;
	gap: var(--gdc-space-xs);
}

.gdc-card__title {
	font-family: var(--gdc-font-sans);
	font-size: var(--gdc-text-lg);
	font-weight: var(--gdc-font-semibold);
	line-height: var(--gdc-leading-snug);
	color: var(--gdc-text-primary);
	margin: 0;
}

.gdc-card__subtitle {
	font-family: var(--gdc-font-sans);
	font-size: var(--gdc-text-sm);
	font-weight: var(--gdc-font-regular);
	line-height: var(--gdc-leading-normal);
	color: var(--gdc-text-secondary);
	margin: 0;
}

.gdc-card__meta {
	display: flex;
	align-items: center;
	gap: var(--gdc-space-1);
	font-size: var(--gdc-text-xs);
	color: var(--gdc-text-muted);
}

/* ==========================================================
   REGION: BODY
   ========================================================== */

.gdc-card__body {
	font-family: var(--gdc-font-body);
	font-size: var(--gdc-text-base);
	line-height: var(--gdc-leading-normal);
	color: var(--gdc-text-secondary);
}

.gdc-card__body p {
	margin: 0;
}

/* ==========================================================
   REGION: ACTIONS
   ========================================================== */

.gdc-card__actions {
	display: flex;
	align-items: center;
	gap: var(--gdc-space-1);
	margin-top: auto;
}

/* ==========================================================
   REGION: STATUS
   ========================================================== */

.gdc-card__status {
	display: flex;
	align-items: center;
	gap: var(--gdc-space-1);
}

.gdc-card__badge {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 4px 10px;
	border-radius: var(--gdc-radius-full);
	font-family: var(--gdc-font-sans);
	font-size: var(--gdc-text-xs);
	font-weight: var(--gdc-font-semibold);
	line-height: 1;
	white-space: nowrap;
}

.gdc-card__badge[data-status="available"] {
	background: rgba(16, 185, 129, 0.15);
	color: var(--gdc-status-success);
}

.gdc-card__badge[data-status="limited"] {
	background: rgba(245, 158, 11, 0.15);
	color: var(--gdc-status-warning);
}

.gdc-card__badge[data-status="sold-out"] {
	background: rgba(239, 68, 68, 0.15);
	color: var(--gdc-status-error);
}

/* ==========================================================
   REGION: FOOTER
   ========================================================== */

.gdc-card__footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--gdc-space-1);
	padding-top: var(--gdc-space-2);
	border-top: 1px solid var(--gdc-border-light);
	font-family: var(--gdc-font-sans);
	font-size: var(--gdc-text-xs);
	color: var(--gdc-text-muted);
	margin-top: auto;
}

.gdc-card__footer a {
	color: var(--gdc-accent-cta);
	text-decoration: none;
}

.gdc-card__footer a:hover {
	text-decoration: underline;
}

/* ==========================================================
   STATE: HOVER
   ========================================================== */

.gdc-card:hover {
	border-color: var(--gdc-border-medium);
	transform: translateY(-2px);
}

/* ==========================================================
   STATE: ACTIVE / PRESSED
   ========================================================== */

.gdc-card:active {
	transform: scale(0.98);
}

.gdc-card[data-state="active"] {
	border: 2px solid var(--gdc-accent-cta);
	/* Compensate for thicker border so layout doesn't shift */
	padding: calc(var(--gdc-space-2) - 1px);
}

/* ==========================================================
   STATE: FOCUS (keyboard only via :focus-visible)
   ========================================================== */

.gdc-card:focus-visible {
	outline: 2px solid var(--gdc-accent-cta);
	outline-offset: 2px;
}

/* ==========================================================
   STATE: LOADING — skeleton shimmer overlay
   ========================================================== */

.gdc-card[data-state="loading"] {
	opacity: 0.6;
	pointer-events: none;
}

.gdc-card[data-state="loading"]::before {
	content: '';
	position: absolute;
	inset: 0;
	z-index: 1;
	background: linear-gradient(
		90deg,
		transparent 0%,
		rgba(255, 255, 255, 0.04) 50%,
		transparent 100%
	);
	animation: gdc-card-shimmer 1.5s ease-in-out infinite;
}

/* ==========================================================
   STATE: COMPLETE — success tint + check overlay
   ========================================================== */

.gdc-card[data-state="complete"] {
	border-color: var(--gdc-status-success);
	border-left-width: 3px;
}

.gdc-card__complete-icon {
	display: none;
	position: absolute;
	top: var(--gdc-space-2);
	right: var(--gdc-space-2);
	z-index: 2;
	width: 28px;
	height: 28px;
	border-radius: 50%;
	background: var(--gdc-status-success);
	color: #ffffff;
	align-items: center;
	justify-content: center;
}

.gdc-card[data-state="complete"] .gdc-card__complete-icon {
	display: flex;
	animation: gdc-card-checkmark var(--gdc-duration-standard) var(--gdc-ease-out) forwards;
}

.gdc-card__complete-icon svg {
	width: 16px;
	height: 16px;
}

/* ==========================================================
   STATE: ERROR — danger tint + error overlay
   ========================================================== */

.gdc-card[data-state="error"] {
	border-color: var(--gdc-status-error);
	border-left-width: 3px;
	cursor: not-allowed;
	animation: gdc-card-shake var(--gdc-duration-standard) var(--gdc-ease-out);
}

.gdc-card__error-icon {
	display: none;
	position: absolute;
	top: var(--gdc-space-2);
	right: var(--gdc-space-2);
	z-index: 2;
	width: 28px;
	height: 28px;
	border-radius: 50%;
	background: var(--gdc-status-error);
	color: #ffffff;
	align-items: center;
	justify-content: center;
}

.gdc-card[data-state="error"] .gdc-card__error-icon {
	display: flex;
	animation: gdc-card-checkmark var(--gdc-duration-standard) var(--gdc-ease-out) forwards;
}

.gdc-card__error-icon svg {
	width: 16px;
	height: 16px;
}

/* ==========================================================
   SUPPRESS HOVER/ACTIVE DURING NON-INTERACTIVE STATES
   ========================================================== */

.gdc-card[data-state="loading"]:hover,
.gdc-card[data-state="loading"]:active,
.gdc-card[data-state="complete"]:hover,
.gdc-card[data-state="complete"]:active,
.gdc-card[data-state="error"]:hover,
.gdc-card[data-state="error"]:active {
	transform: none;
}

/* ==========================================================
   VARIANT: BUILDER — Media, Header, Body, Status
   ========================================================== */

.gdc-card[data-variant="builder"] .gdc-card__actions,
.gdc-card[data-variant="builder"] .gdc-card__footer {
	display: none;
}

/* ==========================================================
   VARIANT: LISTING — Media, Header, Body, Actions
   ========================================================== */

.gdc-card[data-variant="listing"] .gdc-card__status,
.gdc-card[data-variant="listing"] .gdc-card__footer {
	display: none;
}

/* ==========================================================
   VARIANT: DASHBOARD — Header, Body, Status, Footer
   ========================================================== */

.gdc-card[data-variant="dashboard"] .gdc-card__media,
.gdc-card[data-variant="dashboard"] .gdc-card__actions {
	display: none;
}

/* ==========================================================
   VARIANT: BOOKING — Header, Body, Actions, Status
   ========================================================== */

.gdc-card[data-variant="booking"] .gdc-card__media,
.gdc-card[data-variant="booking"] .gdc-card__footer {
	display: none;
}

/* ==========================================================
   RESPONSIVE CARD GRID
   ========================================================== */

.gdc-card-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--gdc-space-2);
	width: 100%;
}

/* Tablet: 2 columns */
@media (min-width: 768px) {
	.gdc-card-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--gdc-space-3);
	}

	.gdc-card {
		padding: var(--gdc-space-3);
	}

	.gdc-card__media {
		margin: calc(-1 * var(--gdc-space-3)) calc(-1 * var(--gdc-space-3)) 0;
	}

	.gdc-card[data-state="active"] {
		padding: calc(var(--gdc-space-3) - 1px);
	}
}

/* Desktop: 3 columns */
@media (min-width: 1200px) {
	.gdc-card-grid {
		grid-template-columns: repeat(3, 1fr);
		gap: var(--gdc-space-3);
	}
}

/* Enforce minimum card width */
.gdc-card-grid--auto {
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ==========================================================
   ACCESSIBILITY: prefers-reduced-motion
   ========================================================== */

@media (prefers-reduced-motion: reduce) {
	.gdc-card {
		transition: none;
	}

	.gdc-card:hover {
		transform: none;
	}

	.gdc-card:hover .gdc-card__media img {
		transform: none;
	}

	.gdc-card[data-state="loading"]::before {
		animation: none;
	}

	.gdc-card[data-state="error"] {
		animation: none;
	}

	.gdc-card[data-state="complete"] .gdc-card__complete-icon,
	.gdc-card[data-state="error"] .gdc-card__error-icon {
		animation: none;
		opacity: 1;
	}
}