/* Profile Page Styles */
.profile-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
}

.profile-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.profile-header p {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

.profile-content {
    max-width: 800px;
    margin: 0 auto;
}

.profile-section {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.profile-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}

/* Account Information */
.info-grid {
    display: grid;
    gap: 20px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #2196f3;
}

.info-item label {
    font-weight: 600;
    color: #333;
    min-width: 120px;
}

.info-item span {
    color: #666;
    font-weight: 500;
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    transition: all 0.2s ease;
}

.stat-item:hover {
    border-color: #2196f3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.15);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #2196f3;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Profile Form */
.profile-form {
    max-width: 400px;
}

.profile-form .form-group {
    margin-bottom: 20px;
}

.profile-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.profile-form input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.profile-form input:focus {
    outline: none;
    border-color: #2196f3;
}

.profile-form button {
    width: 100%;
    margin-top: 10px;
}

/* Activity List */
.activity-list {
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
    transition: background-color 0.2s ease;
}

.activity-item:hover {
    background-color: #f8f9fa;
}

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

.activity-info {
    flex: 1;
}

.activity-date {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.activity-description {
    font-weight: 500;
    color: #333;
}

.activity-score {
    font-weight: 700;
    color: #2196f3;
    font-size: 1.1rem;
}

.loading {
    text-align: center;
    color: #666;
    font-style: italic;
    padding: 20px;
}

.no-activity {
    text-align: center;
    color: #666;
    font-style: italic;
    padding: 20px;
}

/* Success Message */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 12px 20px;
    border-radius: 6px;
    margin-top: 15px;
    border: 1px solid #c3e6cb;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .profile-section {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .profile-header h2 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .info-item label {
        min-width: auto;
    }
    
    .activity-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .activity-score {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-form {
        max-width: 100%;
    }
}