/* User Dashboard Styles */

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.8) 100%);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gray-600);
    border-radius: 4px 0 0 4px;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card.success::before {
    background: linear-gradient(180deg, var(--success) 0%, var(--success-light) 100%);
    box-shadow: 0 0 20px -5px var(--success);
}

.stat-card.danger::before {
    background: linear-gradient(180deg, var(--danger) 0%, var(--danger-light) 100%);
    box-shadow: 0 0 20px -5px var(--danger);
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-400);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Chart Wrapper */
.chart-wrapper {
    height: 250px;
    position: relative;
}

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    position: relative;
    transition: all var(--transition-base);
}

.history-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
}

.history-item.passed::before {
    background: linear-gradient(180deg, var(--success) 0%, var(--success-light) 100%);
}

.history-item.failed::before {
    background: linear-gradient(180deg, var(--danger) 0%, var(--danger-light) 100%);
}

.history-item:hover {
    transform: translateX(4px);
    background: rgba(15, 23, 42, 0.7);
}

.history-info {
    flex: 1;
}

.history-date {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-bottom: 0.25rem;
}

.history-score {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.score-badge {
    font-size: 1.25rem;
    font-weight: 700;
}

.score-badge.pass {
    color: var(--success-light);
}

.score-badge.fail {
    color: var(--danger-light);
}

.score-detail {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.status-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
}

.status-badge.pass {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-light);
}

.status-badge.fail {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-light);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--gray-500);
}

/* Weak Areas */
.weak-areas-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.weak-area-item {
    padding: 1rem 1.25rem;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.weak-area-item:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.3);
}

.weak-area-question {
    font-weight: 600;
    color: var(--gray-100);
    margin-bottom: 0.5rem;
}

.weak-area-details {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.weak-area-answer {
    color: var(--gray-400);
}

.weak-area-answer strong {
    color: var(--primary-light);
}

.weak-area-stats {
    color: var(--danger-light);
}

/* Responsive */
@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .history-score {
        width: 100%;
    }

    .weak-area-details {
        flex-direction: column;
    }
}