/* Admin Panel Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.admin-header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

.admin-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.admin-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.admin-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 1024px) {
    .admin-content {
        grid-template-columns: 1fr;
    }
}

.config-section {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.config-section h2 {
    margin-bottom: 25px;
    color: #333;
    font-size: 1.5rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: #555;
    font-size: 1rem;
}

.form-group input {
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

.form-group small {
    color: #666;
    font-size: 0.85rem;
    margin-top: 4px;
}

.form-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 25px;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-preview {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
}

.btn-save {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    color: white;
}

.btn-reset {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: white;
}

.btn-generate {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    grid-column: 1 / -1;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-copy {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-download {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.preview-section {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.preview-section h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.5rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.preview-container {
    border: 2px solid #e1e5e9;
    border-radius: 15px;
    overflow: hidden;
    height: 500px;
    margin-bottom: 20px;
}

.preview-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.preview-controls {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.generated-code-section {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    margin-top: 30px;
}

.generated-code-section h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.5rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.code-container {
    border: 2px solid #e1e5e9;
    border-radius: 15px;
    overflow: hidden;
}

.code-tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 1px solid #e1e5e9;
    flex-wrap: wrap;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: #666;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    white-space: nowrap;
}

.tab-btn.active {
    background: white;
    color: #667eea;
    border-bottom: 2px solid #667eea;
}

.tab-btn:hover {
    background: #f0f0f0;
}

.code-content {
    position: relative;
    height: 400px;
    overflow-y: auto;
}

.code-block {
    display: none;
    padding: 20px;
    background: #1e1e1e;
    color: #d4d4d4;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    height: 100%;
    overflow-y: auto;
}

.code-block.active {
    display: block;
}

.code-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    padding: 20px;
    background: #f8f9fa;
    border-top: 1px solid #e1e5e9;
}

/* Success/Error Messages */
.message {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 600;
    display: none;
}

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

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-container {
        padding: 15px;
    }
    
    .admin-header h1 {
        font-size: 2rem;
    }
    
    .config-section, .preview-section, .generated-code-section {
        padding: 20px;
    }
    
    .form-actions {
        grid-template-columns: 1fr;
    }
    
    .preview-container {
        height: 400px;
    }
    
    .code-tabs {
        flex-direction: column;
    }
    
    .code-block {
        font-size: 0.8rem;
    }
}