:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #e74c3c;
    --metal-color: #7f8c8d;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #27ae60;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--light-color);
    background-image: 
        linear-gradient(rgba(236, 240, 241, 0.9), rgba(236, 240, 241, 0.9)),
        url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23bdc3c7' fill-opacity='0.2' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2.5rem 0;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 20%);
    pointer-events: none;
}

header h1 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
    position: relative;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
    position: relative;
}

.generator-section {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23bdc3c7' fill-opacity='0.2'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.input-group {
    margin-bottom: 1.8rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

input[type="text"], select {
    width: 100%;
    padding: 0.9rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: #f9f9f9;
}

input[type="text"]:focus, select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
    background-color: white;
}

.generate-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: block;
    width: 100%;
    margin-top: 1.5rem;
    position: relative;
    overflow: hidden;
}

.generate-button::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0.2),
        rgba(255, 255, 255, 0)
    );
    transform: rotate(45deg);
    transition: var(--transition);
}

.generate-button:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.generate-button:hover::before {
    transform: rotate(45deg) translate(10%, 10%);
}

.loading {
    text-align: center;
    margin: 2.5rem 0;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--accent-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.results-container {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.results-container h2 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    text-align: center;
}

.name-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem;
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    margin-bottom: 0.8rem;
    background-color: var(--light-color);
    transition: var(--transition);
    background-image: 
        linear-gradient(rgba(236, 240, 241, 0.9), rgba(236, 240, 241, 0.9)),
        url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23bdc3c7' fill-opacity='0.2' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");
}

.name-item:hover {
    background-color: #dfe6e9;
    transform: translateX(5px);
    border-color: var(--accent-color);
}

.copy-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    flex-shrink: 0;
}

.copy-btn:hover {
    background-color: #c0392b;
}

.history-section {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #eee;
    transition: var(--transition);
}

.history-item:hover {
    background-color: #f9f9f9;
}

.history-name {
    font-weight: 600;
    flex: 2;
    color: var(--primary-color);
}

.history-type, .history-traits {
    flex: 1;
    color: #6c757d;
    font-size: 0.9rem;
}

.seo-content, .faq-section {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.seo-content h2, .faq-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.8rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid #eee;
    text-align: center;
}

.seo-content h3 {
    color: var(--secondary-color);
    margin: 2rem 0 1.2rem;
    padding-left: 0.5rem;
    border-left: 4px solid var(--accent-color);
}

.seo-content ul {
    margin-left: 1.8rem;
    margin-bottom: 1.8rem;
}

.seo-content li {
    margin-bottom: 0.8rem;
    line-height: 1.7;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background-color: #f9f9f9;
}

.faq-item h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    color: var(--primary-color);
}

footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }
    
    .generator-section, .history-section, .seo-content, .faq-section {
        padding: 1.8rem;
    }
    
    .history-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .history-type, .history-traits {
        margin-top: 0.5rem;
    }
    
    .name-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .copy-btn {
        margin-top: 0.8rem;
        align-self: flex-end;
    }
    
    .seo-content h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.9rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .generate-button {
        padding: 0.9rem 1.5rem;
        font-size: 1rem;
    }
    
    .seo-content, .faq-section {
        padding: 1.5rem;
    }
    
    .faq-item {
        padding: 1.2rem;
    }
}