/**
 * CAS Dashboard — stats, grids, tables.
 *
 * @package College_Aptitude_Suite
 */

.cas-stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 20px;
	margin-bottom: 28px;
}

.cas-stat-card {
	background: var(--cas-surface);
	border: 1px solid var(--cas-border);
	border-radius: var(--cas-radius);
	padding: 22px 24px;
	position: relative;
	overflow: hidden;
	transition: transform var(--cas-transition), box-shadow var(--cas-transition);
}

.cas-stat-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--cas-shadow-md);
}

.cas-stat-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--cas-primary), var(--cas-primary-light));
}

.cas-stat-card--success::before { background: linear-gradient(90deg, var(--cas-success), #34d399); }
.cas-stat-card--warning::before { background: linear-gradient(90deg, var(--cas-warning), #fbbf24); }
.cas-stat-card--info::before { background: linear-gradient(90deg, var(--cas-info), #38bdf8); }

.cas-stat-card__label {
	font-size: 13px;
	font-weight: 500;
	color: var(--cas-muted);
	margin-bottom: 8px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.cas-stat-card__value {
	font-size: 32px;
	font-weight: 800;
	color: var(--cas-text);
	line-height: 1;
	letter-spacing: -1px;
}

.cas-stat-card__sub {
	font-size: 12px;
	color: var(--cas-muted);
	margin-top: 6px;
}

.cas-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 20px;
	margin-bottom: 24px;
}

.cas-grid--2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.cas-feature-card {
	background: var(--cas-surface);
	border: 1px solid var(--cas-border);
	border-radius: var(--cas-radius);
	padding: 28px;
	transition: transform var(--cas-transition), box-shadow var(--cas-transition);
}

.cas-feature-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--cas-shadow-lg);
}

.cas-feature-card__icon {
	width: 48px;
	height: 48px;
	border-radius: 14px;
	background: var(--cas-primary-bg);
	color: var(--cas-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 22px;
	margin-bottom: 16px;
}

.cas-feature-card h3 {
	font-size: 17px;
	font-weight: 700;
	margin: 0 0 8px;
	color: var(--cas-text);
}

.cas-feature-card p {
	font-size: 14px;
	color: var(--cas-text-secondary);
	line-height: 1.6;
	margin: 0 0 18px;
}

/* Difficulty selection cards */
.cas-difficulty-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 24px;
	margin-top: 8px;
}

.cas-difficulty-card {
	background: var(--cas-surface);
	border: 2px solid var(--cas-border);
	border-radius: var(--cas-radius);
	padding: 32px 28px;
	text-align: center;
	transition: all var(--cas-transition);
	cursor: pointer;
	text-decoration: none !important;
	display: block;
	position: relative;
	overflow: hidden;
}

.cas-difficulty-card::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, transparent 60%, rgba(0, 174, 239, 0.04));
	pointer-events: none;
}

.cas-difficulty-card:hover {
	border-color: var(--cas-primary);
	transform: translateY(-4px);
	box-shadow: var(--cas-shadow-lg);
}

.cas-difficulty-card--easy:hover { border-color: var(--cas-success); }
.cas-difficulty-card--moderate:hover { border-color: var(--cas-warning); }
.cas-difficulty-card--difficult:hover { border-color: var(--cas-danger); }

.cas-difficulty-card__icon {
	font-size: 40px;
	margin-bottom: 16px;
}

.cas-difficulty-card h3 {
	font-size: 20px;
	font-weight: 700;
	color: var(--cas-text);
	margin: 0 0 8px;
}

.cas-difficulty-card p {
	font-size: 14px;
	color: var(--cas-text-secondary);
	margin: 0 0 16px;
	line-height: 1.5;
}

.cas-difficulty-card__count {
	font-size: 13px;
	font-weight: 600;
	color: var(--cas-muted);
	margin-bottom: 20px;
}

/* Login page */
.cas-login-wrap {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: calc(100vh - 120px);
}

.cas-login-card {
	width: 100%;
	max-width: 420px;
	background: var(--cas-surface);
	border: 1px solid var(--cas-border);
	border-radius: var(--cas-radius);
	padding: 40px 36px;
	box-shadow: var(--cas-shadow-lg);
}

.cas-login-card__header {
	text-align: center;
	margin-bottom: 28px;
}

.cas-login-card__header .cas-sidebar__logo {
	margin: 0 auto 16px;
	width: 56px;
	height: 56px;
	font-size: 18px;
	border-radius: 16px;
}

.cas-login-card__header h2 {
	font-size: 24px;
	font-weight: 800;
	margin: 0 0 6px;
	color: var(--cas-text);
}

.cas-login-card__header p {
	font-size: 14px;
	color: var(--cas-muted);
	margin: 0;
}

.cas-login-card__footer {
	text-align: center;
	margin-top: 16px;
	font-size: 13px;
}

.cas-login-card__footer a {
	color: var(--cas-primary) !important;
	font-weight: 600;
}

/* Table */
.cas-table-wrap {
	overflow-x: auto;
	border: 1px solid var(--cas-border);
	border-radius: var(--cas-radius);
}

.cas-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
}

.cas-table th {
	background: var(--cas-surface-2);
	padding: 12px 16px;
	text-align: left;
	font-weight: 600;
	color: var(--cas-text-secondary);
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	border-bottom: 1px solid var(--cas-border);
}

.cas-table td {
	padding: 14px 16px;
	border-bottom: 1px solid var(--cas-border);
	color: var(--cas-text);
}

.cas-table tr:last-child td { border-bottom: none; }
.cas-table tr:hover td { background: var(--cas-surface-2); }

/* Section heading */
.cas-section-title {
	font-size: 18px;
	font-weight: 700;
	color: var(--cas-text);
	margin: 0 0 16px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.cas-section-title::before {
	content: '';
	width: 4px;
	height: 20px;
	background: var(--cas-primary);
	border-radius: 2px;
}

@media (max-width: 600px) {
	.cas-stats-grid { grid-template-columns: 1fr 1fr; }
	.cas-difficulty-grid { grid-template-columns: 1fr; }
	.cas-login-card { padding: 28px 20px; }
}