/* ==========================================================================
   ChopSkills Challenges — Stylesheet
   ==========================================================================
   Premium dashboard panel styling for the challenge CPT grid directory.
   Provides glassmorphism, responsive grid wrappers, and interactive hover transitions.
   ========================================================================== */

.cs-challenges-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 1.75rem;
	max-width: 1200px;
	margin: 2rem auto;
	padding: 0 1rem;
	box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   Challenge Card
   -------------------------------------------------------------------------- */
.cs-challenges-card {
	position: relative;
	min-height: 420px;
	border-radius: 16px;
	border: 1px solid rgba(255, 255, 255, 0.06);
	background-size: cover;
	background-position: center;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	height: 100%;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
	transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
	            border-color 0.3s ease,
	            box-shadow 0.4s ease;
}

.cs-challenges-card:hover {
	transform: translateY(-6px);
	border-color: var(--cs-comp-glow-strong, rgba(251, 191, 36, 0.45));
	box-shadow: 0 20px 40px var(--cs-comp-glow-faint, rgba(251, 191, 36, 0.12)), 0 10px 30px rgba(0, 0, 0, 0.6);
}

/* Background Zoom Effect on Hover */
.cs-challenges-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: inherit;
	z-index: 1;
	transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-challenges-card:hover::before {
	transform: scale(1.06);
}

/* Gradient overlay */
.cs-challenges-card::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: linear-gradient(180deg, rgba(10, 10, 15, 0.3) 0%, rgba(10, 10, 15, 0.7) 50%, rgba(10, 10, 15, 0.98) 100%);
	z-index: 2;
}

/* Ensure contents display on top of absolute overlays */
.cs-challenges-card__header,
.cs-challenges-card__body,
.cs-challenges-card__footer {
	position: relative;
	z-index: 3;
	flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Card Header (Badges & Sponsor Tags)
   -------------------------------------------------------------------------- */
.cs-challenges-card__header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 1.25rem;
}

/* Status Badges */
.cs-status-badge {
	font-size: 0.72rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	padding: 0.35rem 0.75rem;
	border-radius: 20px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.cs-status-badge--open {
	background: rgba(34, 197, 94, 0.12);
	border: 1px solid rgba(34, 197, 94, 0.35);
	color: #22c55e;
}

.cs-status-badge--voting {
	background: rgba(59, 130, 246, 0.12);
	border: 1px solid rgba(59, 130, 246, 0.35);
	color: #3b82f6;
}

.cs-status-badge--upcoming {
	background: rgba(245, 158, 11, 0.12);
	border: 1px solid rgba(245, 158, 11, 0.35);
	color: #f59e0b;
}

.cs-status-badge--default {
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.2);
	color: #e2e8f0;
}

/* Sponsor Tags */
.cs-sponsor-tag {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	background: rgba(10, 10, 15, 0.7);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	border: 1px solid rgba(255, 255, 255, 0.08);
	padding: 0.35rem 0.65rem;
	border-radius: 30px;
	max-height: 28px;
}

.cs-sponsor-tag__logo {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	object-fit: contain;
	background: #fff;
	padding: 1px;
}

.cs-sponsor-tag__name {
	font-size: 0.72rem;
	font-weight: 600;
	color: #8888a0;
}

/* --------------------------------------------------------------------------
   Card Body & Content
   -------------------------------------------------------------------------- */
.cs-challenges-card__body {
	padding: 1.5rem;
	flex-grow: 1;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
}

.cs-challenges-card__title {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	font-size: 1.45rem;
	font-weight: 800;
	color: #ffffff;
	margin: 0 0 0.6rem 0;
	line-height: 1.25;
	letter-spacing: -0.025em;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.cs-challenges-card__excerpt {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	font-size: 0.92rem;
	color: #a0aec0;
	line-height: 1.5;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   Card Footer
   -------------------------------------------------------------------------- */
.cs-challenges-card__footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 1.25rem 1.5rem 1.5rem 1.5rem;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
	background: rgba(10, 10, 15, 0.55);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
}

.cs-challenges-card__deadline {
	font-size: 0.8rem;
	color: #8888a0;
	font-weight: 550;
	letter-spacing: 0.01em;
}

/* Action Button */
.cs-challenges-card__btn {
	display: inline-block;
	background: linear-gradient(135deg, var(--cs-comp-grad-start, #fbbf24), var(--cs-comp-grad-end, #6366f1));
	color: var(--cs-comp-btn-text, #ffffff) !important;
	text-decoration: none !important;
	font-weight: 700;
	font-size: 0.85rem;
	padding: 0.6rem 1.35rem;
	border-radius: 30px;
	box-shadow: 0 4px 12px var(--cs-comp-glow-med, rgba(251, 191, 36, 0.25));
	transition: transform 0.2s ease,
	            box-shadow 0.2s ease,
	            filter 0.2s ease;
	border: none;
	cursor: pointer;
}

.cs-challenges-card__btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 6px 16px var(--cs-comp-glow-strong, rgba(251, 191, 36, 0.4));
	filter: brightness(1.1);
}

/* --------------------------------------------------------------------------
   Empty / Placeholder State
   -------------------------------------------------------------------------- */
.cs-challenges-empty {
	text-align: center;
	padding: 4.5rem 2rem;
	background: #12121a;
	border: 1px solid rgba(255, 255, 255, 0.06);
	border-radius: 16px;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
	max-width: 520px;
	margin: 3rem auto;
}

.cs-challenges-empty__icon {
	font-size: 3.25rem;
	display: block;
	margin-bottom: 1.25rem;
	opacity: 0.4;
}

.cs-challenges-empty p {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	font-size: 1.05rem;
	color: #8888a0;
	font-style: italic;
	line-height: 1.6;
	margin: 0;
}

/* --------------------------------------------------------------------------
   Card Meta Chips (prize, assets, countdown)
   -------------------------------------------------------------------------- */
.cs-card-meta-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin: 0.5rem 0 0.65rem;
}

.cs-card-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	font-size: 0.7rem;
	font-weight: 600;
	padding: 0.25rem 0.6rem;
	border-radius: 20px;
	white-space: nowrap;
	font-family: 'Inter', sans-serif;
}

.cs-card-chip--prize {
	background: rgba(234, 179, 8, 0.15);
	color: #fbbf24;
	border: 1px solid rgba(234, 179, 8, 0.25);
	white-space: normal;
	line-height: 1.4;
}

/* Force prize pool content to display inline-horizontal */
.cs-card-chip--prize br {
	display: none;
}

.cs-card-chip--prize strong {
	font-weight: 700;
}

.cs-card-chip--prize p {
	display: inline;
	margin: 0;
	padding: 0;
}

.cs-card-chip--prize strong + br + strong::before,
.cs-card-chip--prize strong:not(:first-child)::before {
	content: '';
	margin-left: 0.15rem;
}

/* Add separator dots between prize tiers */
.cs-card-chip--prize br + strong::before {
	content: '·';
	margin: 0 0.35rem;
	font-weight: 400;
	opacity: 0.6;
}

.cs-card-chip--assets {
	background: rgba(99, 102, 241, 0.12);
	color: #a5b4fc;
	border: 1px solid rgba(99, 102, 241, 0.2);
}

.cs-card-chip--countdown {
	background: rgba(34, 197, 94, 0.12);
	color: #4ade80;
	border: 1px solid rgba(34, 197, 94, 0.2);
}

.cs-card-countdown-value {
	font-weight: 800;
	letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
	.cs-challenges-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
	.cs-challenges-card { min-height: 320px; }
}

@media (max-width: 480px) {
	.cs-challenges-grid { grid-template-columns: 1fr; gap: 1rem; padding: 0 0.5rem; }
	.cs-challenges-card { min-height: 280px; }
	.cs-challenges-card-content { padding: 1rem; }
	.cs-challenges-card-title { font-size: 1.15rem; }
	.cs-challenges-card-meta { font-size: 0.75rem; }
	.cs-card-meta-chips { gap: 0.3rem; }
	.cs-card-chip { font-size: 0.62rem; padding: 0.2rem 0.5rem; }
}

/* --------------------------------------------------------------------------
   Marching Ants — Hover Border Animation
   Gated by body.cs-marching-ants-active (Customizer: ChopSkills Design).
   Overlaid on top of the card content via z-index: 10.
   -------------------------------------------------------------------------- */
@keyframes cs-marching-ants {
	to {
		background-position: 100% 0, 0 100%, 0 0, 100% 100%;
	}
}

/* Hidden by default — overlaid on top of all card layers. */
.cs-marching-ants-border {
	position: absolute;
	inset: 0;
	pointer-events: none;
	z-index: 10;
	border-radius: inherit;
	opacity: 0;
	transition: opacity 0.3s ease;
}

/* Activate on hover when the body class gatekeeper is present. */
body.cs-marching-ants-active .cs-challenges-card:hover > .cs-marching-ants-border {
	opacity: 0.25;
	background-image:
		linear-gradient(90deg, #fff 50%, transparent 50%),
		linear-gradient(90deg, #fff 50%, transparent 50%),
		linear-gradient(0deg, #fff 50%, transparent 50%),
		linear-gradient(0deg, #fff 50%, transparent 50%);
	background-repeat: repeat-x, repeat-x, repeat-y, repeat-y;
	background-size: 12px 2px, 12px 2px, 2px 12px, 2px 12px;
	background-position: 0 0, 100% 100%, 0 100%, 100% 0;
	animation: cs-marching-ants 10s linear infinite;
}

/* Suppress the card's default solid hover-border when ants are active. */
body.cs-marching-ants-active .cs-challenges-card:hover {
	border-color: transparent !important;
}

/* --------------------------------------------------------------------------
   Filter Bar & Spinner
   -------------------------------------------------------------------------- */
.cs-filter-bar {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	justify-content: space-between;
	align-items: center;
	max-width: 1200px;
	margin: 0 auto 2rem;
	padding: 1rem;
	background: rgba(20, 20, 25, 0.6);
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.05);
	backdrop-filter: blur(10px);
}

.cs-filter-group {
	flex: 1;
	min-width: 200px;
}

.cs-search-input {
	width: 100%;
	padding: 0.75rem 1rem;
	border-radius: 8px;
	background: rgba(0, 0, 0, 0.2);
	border: 1px solid rgba(255, 255, 255, 0.1);
	color: #fff;
	font-family: inherit;
}

.cs-filter-controls {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	align-items: center;
}

.cs-filter-select {
	padding: 0.7rem;
	border-radius: 8px;
	background: rgba(0, 0, 0, 0.2);
	border: 1px solid rgba(255, 255, 255, 0.1);
	color: #fff;
	font-family: inherit;
}

.cs-filter-toggle {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	color: #a0aec0;
	font-size: 0.85rem;
	cursor: pointer;
}

.cs-spinner {
	display: inline-block;
	width: 40px;
	height: 40px;
	border: 3px solid rgba(251, 191, 36, 0.2);
	border-radius: 50%;
	border-top-color: #fbbf24;
	animation: cs-spin 1s ease-in-out infinite;
	margin: 2rem auto;
}

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