/**
 * WP Performance Optimizer - Admin Styles
 * Version: 2.1.4
 * Author: Performance Solutions Inc.
 */

.wppo-admin-wrap {
    max-width: 1200px;
    margin: 20px 0;
}

.wppo-admin-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.wppo-admin-header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 300;
}

.wppo-admin-header p {
    margin: 5px 0 0 0;
    opacity: 0.9;
}

.wppo-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.wppo-metric-card {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
}

.wppo-metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.wppo-metric-title {
    font-size: 14px;
    color: #666;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.wppo-metric-value {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.wppo-metric-change {
    font-size: 12px;
    margin-top: 5px;
}

.wppo-metric-change.positive {
    color: #46b450;
}

.wppo-metric-change.negative {
    color: #dc3232;
}

.wppo-status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.wppo-status-indicator.active {
    background-color: #46b450;
    box-shadow: 0 0 0 2px rgba(70, 180, 80, 0.3);
}

.wppo-status-indicator.inactive {
    background-color: #dc3232;
}

.wppo-chart-container {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.wppo-chart-title {
    font-size: 18px;
    margin: 0 0 20px 0;
    color: #333;
}

.wppo-fake-chart {
    height: 200px;
    background: linear-gradient(45deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(-45deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #f0f0f0 75%), 
                linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.wppo-fake-chart::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        rgba(102, 126, 234, 0.1) 0%, 
        rgba(118, 75, 162, 0.1) 50%, 
        rgba(102, 126, 234, 0.1) 100%);
    animation: wppo-chart-animation 3s ease-in-out infinite;
}

@keyframes wppo-chart-animation {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

.wppo-settings-section {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.wppo-settings-title {
    font-size: 18px;
    margin: 0 0 15px 0;
    color: #333;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

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

.wppo-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.wppo-form-group input,
.wppo-form-group select {
    width: 100%;
    max-width: 400px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.wppo-form-group input:focus,
.wppo-form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

.wppo-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.2s ease;
}

.wppo-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.wppo-button:active {
    transform: translateY(0);
}

.wppo-notice {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.wppo-notice.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.wppo-notice.warning {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

.wppo-notice.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.wppo-footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 12px;
    border-top: 1px solid #eee;
    margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .wppo-metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .wppo-admin-header h1 {
        font-size: 24px;
    }
    
    .wppo-metric-value {
        font-size: 24px;
    }
}