/* Glassmorphism Design System */

:root {
    --glass-blur: 15px;
    --glass-blur-heavy: 20px;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-bg-light: rgba(255, 255, 255, 0.15);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-border-light: 1px solid rgba(255, 255, 255, 0.3);
    --glass-primary: #667eea;
    --glass-secondary: #764ba2;
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

/* Dashboard Container */
.glass-dashboard {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 27, 75, 0.9)) fixed;
    backdrop-filter: blur(10px);
    min-height: 100vh;
}

.dashboard-main {
    color: white;
}

/* Welcome Section */
.glass-welcome {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur-heavy));
    border: var(--glass-border);
    border-radius: 24px;
    padding: 32px;
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--glass-shadow);
    animation: slideInDown 0.5s ease-out;
}

.glass-welcome-content h2 {
    font-size: 2rem;
    color: white;
    margin: 0;
    font-weight: 700;
}

.glass-welcome-content h2 span {
    color: var(--glass-primary);
    font-weight: 700;
}

.glass-welcome-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.glass-welcome-date {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    text-align: right;
}

/* Stats Grid */
.glass-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.glass-stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-radius: 20px;
    border: var(--glass-border);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    color: white;
    box-shadow: var(--glass-shadow);
}

.glass-stat-card:hover {
    transform: translateY(-8px);
    background: var(--glass-bg-light);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.5);
}

.glass-stat-card.highlight {
    background: rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.4);
}

.glass-stat-card.highlight:hover {
    background: rgba(102, 126, 234, 0.3);
}

.glass-stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(102, 126, 234, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--glass-primary);
    flex-shrink: 0;
}

.glass-stat-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 4px 0;
}

.glass-stat-content p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin: 0;
}

.glass-stat-content small {
    font-size: 0.75rem;
    opacity: 0.7;
    display: block;
}

.glass-stat-arrow {
    margin-left: auto;
    font-size: 1.5rem;
    opacity: 0.5;
}

/* Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--glass-shadow);
}

.glass-card:hover {
    background: var(--glass-bg-light);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-4px);
}

.glass-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.glass-card-header h5 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
}

.glass-link {
    color: var(--glass-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s;
    opacity: 0.9;
}

.glass-link:hover {
    color: #a78bfa;
    opacity: 1;
}

.glass-card-body {
    padding: 20px 24px;
}

/* User Items */
.glass-user-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.glass-user-item:last-child {
    border-bottom: none;
}

.glass-user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--glass-primary), var(--glass-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.glass-user-info {
    flex: 1;
}

.glass-user-info h6 {
    margin: 0 0 4px 0;
    font-size: 0.875rem;
    font-weight: 600;
}

.glass-user-info small {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
}

.glass-user-badge {
    font-size: 1rem;
}

.badge-approved {
    color: #10b981;
}

.badge-pending {
    color: #f59e0b;
}

/* Enrollment Items */
.glass-enrollment-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.glass-enrollment-item:last-child {
    border-bottom: none;
}

.glass-enrollment-course {
    flex: 1;
    font-weight: 500;
    font-size: 0.95rem;
}

.glass-enrollment-student {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.glass-enrollment-time {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Quick Actions */
.glass-quick-actions {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--glass-shadow);
}

.glass-actions-title {
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.glass-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.glass-action-btn {
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.4);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.glass-action-btn:hover {
    background: rgba(102, 126, 234, 0.3);
    border-color: rgba(102, 126, 234, 0.6);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.glass-action-btn i {
    font-size: 1.5rem;
    color: var(--glass-primary);
}

.glass-action-btn span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Activity Card */
.glass-activity-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.glass-activity-list {
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.glass-activity-list::-webkit-scrollbar {
    width: 6px;
}

.glass-activity-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.glass-activity-list::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.4);
    border-radius: 10px;
}

.glass-activity-list::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.6);
}

.glass-activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-activity-item:last-child {
    border-bottom: none;
}

.glass-activity-icon {
    width: 40px;
    height: 40px;
    background: rgba(102, 126, 234, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--glass-primary);
    font-size: 1.125rem;
    flex-shrink: 0;
}

.glass-activity-info h6 {
    margin: 0 0 4px 0;
    font-size: 0.875rem;
    font-weight: 500;
}

.glass-activity-info small {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
}

@media (max-width: 768px) {
    .glass-welcome {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .glass-welcome-content h2 {
        font-size: 1.5rem;
    }
    
    .glass-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .glass-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .glass-stat-card {
        padding: 16px;
    }
    
    .glass-stat-content h3 {
        font-size: 1.5rem;
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}