/* ==========================================================================
   ChopSkills Leaderboard — Core Styles
   ==========================================================================
   Premium, responsive dashboard list for displaying the top 20 contestants.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens (Fallback if not enqueued in the same view)
   -------------------------------------------------------------------------- */
:root {
	--cs-bg-primary: #0a0a0f;
	--cs-bg-card: #12121a;
	--cs-bg-card-hover: #1a1a26;
	--cs-border-subtle: rgba(255, 255, 255, 0.06);
	--cs-border-glow: rgba(99, 102, 241, 0.4);
	--cs-text-primary: #f0f0f5;
	--cs-text-muted: #8888a0;
	--cs-accent: #6366f1;
	--cs-accent-glow: rgba(99, 102, 241, 0.25);
	--cs-success: #22c55e;
	--cs-radius: 16px;
	--cs-radius-sm: 10px;
	--cs-shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
	--cs-shadow-hover: 0 8px 40px rgba(99, 102, 241, 0.2);
	--cs-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	--cs-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

	/* Rank Colors */
	--cs-gold: #fbbf24;
	--cs-gold-glow: rgba(251, 191, 36, 0.15);
	--cs-silver: #94a3b8;
	--cs-silver-glow: rgba(148, 163, 184, 0.15);
	--cs-bronze: #cd7f32;
	--cs-bronze-glow: rgba(205, 127, 50, 0.15);
}

/* --------------------------------------------------------------------------
   Leaderboard Root Container & Loading States
   -------------------------------------------------------------------------- */
#chopskills-leaderboard-root {
	max-width: 960px;
	margin: 2.5rem auto;
	padding: 0;
	font-family: var(--cs-font);
	color: var(--cs-text-primary);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* Loading Spinner */
.cs-leaderboard-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 400px;
}

.cs-leaderboard-spinner {
	width: 44px;
	height: 44px;
	border: 3px solid var(--cs-border-subtle);
	border-top-color: var(--cs-accent);
	border-radius: 50%;
	animation: cs-lb-spin 0.8s linear infinite;
}

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

/* Error Box */
.cs-leaderboard-error {
	padding: 3rem 1.5rem;
	text-align: center;
}

.cs-leaderboard-err-box {
	background: var(--cs-bg-card);
	border: 1px solid rgba(239, 68, 68, 0.2);
	border-radius: var(--cs-radius);
	padding: 2.5rem 2rem;
	max-width: 480px;
	margin: 0 auto;
	box-shadow: var(--cs-shadow-card);
}

.cs-leaderboard-err-icon {
	font-size: 2.5rem;
	display: block;
	margin-bottom: 1rem;
}

.cs-leaderboard-err-box h4 {
	margin: 0 0 0.5rem;
	font-size: 1.25rem;
	font-weight: 700;
	color: #ef4444;
}

.cs-leaderboard-err-box p {
	color: var(--cs-text-muted);
	margin: 0 0 1.5rem;
	font-size: 0.95rem;
	line-height: 1.5;
}

.cs-leaderboard-retry-btn {
	background: rgba(239, 68, 68, 0.1);
	border: 1px solid rgba(239, 68, 68, 0.3);
	color: #ef4444;
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	padding: 0.65rem 1.5rem;
	border-radius: 30px;
	cursor: pointer;
	transition: var(--cs-transition);
}

.cs-leaderboard-retry-btn:hover {
	background: #ef4444;
	color: #fff;
	transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Leaderboard Header Section
   -------------------------------------------------------------------------- */
.cs-leaderboard__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 2rem;
	gap: 1rem;
}

.cs-leaderboard__title {
	font-size: 1.75rem;
	font-weight: 800;
	letter-spacing: -0.03em;
	margin: 0 0 0.25rem;
	background: linear-gradient(135deg, var(--cs-text-primary), var(--cs-accent));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.cs-leaderboard__subtitle {
	font-size: 0.95rem;
	color: var(--cs-text-muted);
	margin: 0;
}

/* Refresh Button */
.cs-leaderboard__refresh {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	background: var(--cs-bg-card);
	border: 1px solid var(--cs-border-subtle);
	color: var(--cs-text-primary);
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	padding: 0.6rem 1.25rem;
	border-radius: 30px;
	cursor: pointer;
	transition: var(--cs-transition);
	box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.cs-leaderboard__refresh:hover {
	border-color: var(--cs-accent);
	background: var(--cs-bg-card-hover);
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.cs-leaderboard__refresh-icon {
	transition: transform 0.5s ease;
}

.cs-leaderboard__refresh:hover .cs-leaderboard__refresh-icon {
	transform: rotate(180deg);
}

/* Spin while actively fetching new database rows */
.cs-leaderboard__refresh.cs-is-refreshing .cs-leaderboard__refresh-icon {
	animation: cs-lb-spin 0.6s linear infinite;
}

/* --------------------------------------------------------------------------
   Table Layout and Styles
   -------------------------------------------------------------------------- */
.cs-leaderboard__table-wrapper {
	background: var(--cs-bg-card);
	border: 1px solid var(--cs-border-subtle);
	border-radius: var(--cs-radius);
	box-shadow: var(--cs-shadow-card);
	overflow-x: auto;
}

.cs-leaderboard__table {
	width: 100%;
	border-collapse: collapse;
	text-align: left;
	font-size: 0.95rem;
}

.cs-leaderboard__table th {
	font-weight: 600;
	text-transform: uppercase;
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	color: var(--cs-text-muted);
	padding: 1.25rem 1.5rem;
	border-bottom: 1px solid var(--cs-border-subtle);
	background: rgba(255,255,255,0.01);
}

.cs-leaderboard__table td {
	padding: 1.1rem 1.5rem;
	border-bottom: 1px solid var(--cs-border-subtle);
	vertical-align: middle;
	transition: var(--cs-transition);
}

/* Row Hover States */
.cs-leaderboard-row {
	transition: var(--cs-transition);
}

.cs-leaderboard-row:hover {
	background: var(--cs-bg-card-hover);
}

.cs-leaderboard-row:last-child td {
	border-bottom: none;
}

/* Empty State */
.cs-leaderboard__empty {
	text-align: center;
	padding: 3rem !important;
	color: var(--cs-text-muted);
	font-style: italic;
}

/* Column Specific Settings */
.col-rank { width: 10%; text-align: center; }
.col-preview { width: 35%; }
.col-rating { width: 18%; }
.col-record { width: 22%; }
.col-winrate { width: 15%; text-align: right; }

.cs-leaderboard__table th.col-winrate {
	text-align: right;
}

/* Rank Cell Badge styling */
.cs-rank-cell {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	font-weight: 700;
	font-size: 0.95rem;
	color: var(--cs-text-muted);
}

.cs-rank-medal {
	font-size: 1.35rem;
}

/* Contestant info cells */
.cs-contestant-cell {
	display: flex;
	align-items: center;
	gap: 1rem;
}

.cs-thumb-container {
	position: relative;
	width: 52px;
	height: 52px;
	border-radius: var(--cs-radius-sm);
	overflow: hidden;
	background: rgba(255,255,255,0.03);
	border: 1px solid var(--cs-border-subtle);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	transition: var(--cs-transition);
}

.cs-leaderboard__thumb {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: var(--cs-transition);
}

.cs-leaderboard-row:hover .cs-leaderboard__thumb {
	transform: scale(1.08);
}

/* Thumb placeholder for deleted attachments */
.cs-leaderboard__thumb-placeholder {
	color: var(--cs-text-muted);
	opacity: 0.5;
	display: flex;
	align-items: center;
	justify-content: center;
}

.cs-contestant-link {
	text-decoration: none;
	color: inherit;
	transition: var(--cs-transition);
}

.cs-contestant-link:hover .cs-contestant-name {
	text-decoration: underline;
	opacity: 0.85;
}

.cs-contestant-name {
	font-weight: 600;
	color: var(--cs-text-primary);
}

/* ELO Badge styling */
.cs-rating-badge {
	background: var(--cs-accent-glow);
	color: var(--cs-accent);
	font-weight: 700;
	font-size: 0.9rem;
	padding: 0.35rem 0.75rem;
	border-radius: var(--cs-radius-sm);
	border: 1px solid rgba(99, 102, 241, 0.2);
}

/* Record / Match metrics */
.cs-record-text {
	font-weight: 600;
	color: var(--cs-text-primary);
	display: block;
}

.cs-total-matches {
	font-size: 0.75rem;
	color: var(--cs-text-muted);
	display: block;
	margin-top: 0.15rem;
}

/* Win Rate Badge styling */
.cs-winrate-badge {
	background: rgba(255,255,255,0.05);
	color: var(--cs-text-primary);
	font-weight: 600;
	font-size: 0.9rem;
	padding: 0.35rem 0.65rem;
	border-radius: var(--cs-radius-sm);
	display: inline-block;
}

.cs-leaderboard-row:hover .cs-winrate-badge {
	background: rgba(34, 197, 94, 0.1);
	color: var(--cs-success);
}

/* --------------------------------------------------------------------------
   Top 3 Highlight States (Borders and Glows)
   -------------------------------------------------------------------------- */

/* Gold (Rank 1) */
.cs-rank-gold {
	background: linear-gradient(90deg, var(--cs-gold-glow), transparent 40%);
}

.cs-rank-gold td:first-child {
	position: relative;
}

.cs-rank-gold td:first-child::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 4px;
	background: var(--cs-gold);
}

.cs-rank-gold .cs-thumb-container {
	border-color: var(--cs-gold);
	box-shadow: 0 0 10px rgba(251, 191, 36, 0.3);
}

.cs-rank-gold .cs-contestant-name {
	color: var(--cs-gold);
}

/* Silver (Rank 2) */
.cs-rank-silver {
	background: linear-gradient(90deg, var(--cs-silver-glow), transparent 40%);
}

.cs-rank-silver td:first-child {
	position: relative;
}

.cs-rank-silver td:first-child::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 4px;
	background: var(--cs-silver);
}

.cs-rank-silver .cs-thumb-container {
	border-color: var(--cs-silver);
	box-shadow: 0 0 10px rgba(148, 163, 184, 0.3);
}

/* Bronze (Rank 3) */
.cs-rank-bronze {
	background: linear-gradient(90deg, var(--cs-bronze-glow), transparent 40%);
}

.cs-rank-bronze td:first-child {
	position: relative;
}

.cs-rank-bronze td:first-child::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 4px;
	background: var(--cs-bronze);
}

.cs-rank-bronze .cs-thumb-container {
	border-color: var(--cs-bronze);
	box-shadow: 0 0 10px rgba(205, 127, 50, 0.3);
}

/* --------------------------------------------------------------------------
   Responsive Rules
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
	.cs-leaderboard__header {
		flex-direction: column;
		align-items: flex-start;
	}

	.cs-leaderboard__refresh {
		align-self: flex-end;
	}

	.cs-leaderboard__table th,
	.cs-leaderboard__table td {
		padding: 1rem 0.75rem;
	}

	.col-record,
	.col-winrate {
		display: none; /* Hide secondary stats on small mobile views to protect layout space */
	}

	.cs-leaderboard__table th.col-record,
	.cs-leaderboard__table td.col-record,
	.cs-leaderboard__table th.col-winrate,
	.cs-leaderboard__table td.col-winrate {
		display: none;
	}

	.col-rank { width: 15%; }
	.col-preview { width: 55%; }
	.col-rating { width: 30%; }
}

@media (max-width: 420px) {
	#chopskills-leaderboard-root { margin: 1.5rem auto; }
	.cs-leaderboard__title { font-size: 1.25rem; }
	.cs-leaderboard__subtitle { font-size: 0.8rem; }
	.cs-leaderboard__refresh { font-size: 0.8rem; padding: 0.5rem 1rem; }
	.cs-leaderboard__table th,
	.cs-leaderboard__table td { padding: 0.7rem 0.5rem; font-size: 0.85rem; }
	.cs-thumb-container { width: 36px; height: 36px; }
	.cs-contestant-cell { gap: 0.5rem; }
	.cs-contestant-name { font-size: 0.85rem; }
	.cs-rating-badge { font-size: 0.8rem; padding: 0.25rem 0.5rem; }
}