:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #27ae60;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --card-bg: white;
    --border-color: #ddd;
    --hover-color: #e3f2fd;
}

[data-theme="dark"] {
    --primary-color: #f8f9fa;
    --secondary-color: #4299e1;
    --accent-color: #2ecc71;
    --text-color: #f8f9fa;
    --bg-color: #1a202c;
    --card-bg: #2d3748;
    --border-color: #4a5568;
    --hover-color: #2d3748;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    transition: background-color 0.3s;
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
    transition: color 0.3s;
}

h2 {
    color: var(--secondary-color);
    margin-top: 30px;
    border-left: 4px solid var(--secondary-color);
    padding-left: 10px;
    transition: color 0.3s;
}

h3 {
    color: var(--secondary-color);
    transition: color 0.3s;
}

.controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.search-box {
    padding: 10px;
    width: 300px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: all 0.3s;
}

.download-btn {
    background-color: var(--accent-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background-color: #2ecc71;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

th, td {
    border: 1px solid var(--border-color);
    padding: 12px;
    text-align: center;
    transition: all 0.3s;
}

th {
    background-color: var(--secondary-color);
    color: white;
    font-weight: bold;
    position: sticky;
    top: 0;
}

tr:nth-child(even) {
    background-color: rgba(0,0,0,0.05);
}

tr:hover {
    background-color: var(--hover-color);
}

.view-details-btn {
    background-color: var(--secondary-color);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    display: block;
    margin: 30px auto;
    text-align: center;
    width: 300px;
    transition: background-color 0.3s;
}

.view-details-btn:hover {
    background-color: #2980b9;
}

.usage-steps {
    background-color: rgba(0,0,0,0.05);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid var(--border-color);
    transition: all 0.3s;
}

.state-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
    justify-content: center;
}

.state-links a {
    background-color: var(--secondary-color);
    color: white;
    padding: 10px 15px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.state-links a:hover {
    background-color: #3a56c0;
    transform: translateY(-2px);
}

.subdomain-links {
    margin: 30px 0;
    text-align: center;
}

.subdomain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.subdomain-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.subdomain-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.subdomain-card h4 {
    color: var(--secondary-color);
    margin-top: 0;
}

.subdomain-card a {
    display: inline-block;
    margin-top: 10px;
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
}

.ad-container {
    background-color: rgba(0,0,0,0.05);
    padding: 15px;
    border-radius: 8px;
    margin: 25px 0;
    text-align: center;
    border: 1px dashed var(--border-color);
    transition: all 0.3s;
}

.ad-label {
    font-size: 12px;
    color: var(--text-color);
    margin-bottom: 8px;
    text-transform: uppercase;
    opacity: 0.7;
}

.about-btn {
    background-color: var(--secondary-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-top: 15px;
    display: inline-block;
    transition: background-color 0.3s;
}

.about-btn:hover {
    background-color: #2980b9;
}

.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 100;
}

.mobile-ad {
    display: none;
}

@media (max-width: 768px) {
    .controls {
        flex-direction: column;
    }
    
    .search-box {
        width: 100%;
    }
    
    table {
        font-size: 14px;
    }
    
    th, td {
        padding: 8px;
    }
    
    .view-details-btn {
        width: 100%;
    }
    
    .subdomain-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .mobile-ad {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: var(--card-bg);
        padding: 10px;
        box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
        z-index: 99;
        text-align: center;
        border-top: 1px solid var(--border-color);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    th, td {
        padding: 6px;
        font-size: 12px;
    }
    
    .state-links a {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .subdomain-grid {
        grid-template-columns: 1fr;
    }
}

/* PDF Button Styles */
.download-btn {
    background-color: #27ae60;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 180px;
}

.download-btn:hover {
    background-color: #2ecc71;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.download-btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* FAQ Section Styles */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin: 30px 0;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

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

.accordion-button {
    width: 100%;
    padding: 16px 20px;
    text-align: left;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-button:hover {
    background-color: #2980b9;
}

.accordion-button::after {
    content: '+';
    font-size: 20px;
}

.accordion-item.active .accordion-button::after {
    content: '-';
}

.accordion-body {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    background-color: var(--card-bg);
    transition: max-height 0.3s ease-out;
}

.accordion-item.active .accordion-body {
    padding: 20px;
    max-height: 1000px;
}

/* Links Section Styles */
.website-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    margin: 40px 0;
}

.website-links a {
    display: block;
    padding: 15px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--secondary-color);
    transition: all 0.3s;
}

.website-links a:hover {
    background-color: var(--hover-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Calculator Specific Styles */
.calculator {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    margin: 20px 0;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-color);
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.result {
    margin-top: 20px;
    padding: 15px;
    background-color: rgba(0,0,0,0.05);
    border-radius: 8px;
    display: none;
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border-color);
}

.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-label {
    font-weight: 600;
    color: var(--text-color);
}

.result-value {
    font-weight: 700;
    color: var(--accent-color);
}