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

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

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

header {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin-bottom: 10px;
    color: #667eea;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: #667eea;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #764ba2;
}

main {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero {
    text-align: center;
    margin-bottom: 40px;
}

.hero h2 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #667eea;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.auth-container {
    max-width: 400px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #764ba2;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 5px;
    margin-top: 20px;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 5px;
    margin-top: 20px;
}

.account-container,
.products-container {
    max-width: 800px;
    margin: 0 auto;
}

.account-info {
    display: grid;
    gap: 20px;
}

.account-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

.account-card h3 {
    margin-bottom: 15px;
    color: #667eea;
}

.account-card p {
    margin-bottom: 10px;
}

.password-hash {
    font-family: monospace;
    color: #666;
}

.countdown {
    font-weight: bold;
    color: #28a745;
}

.dns-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    text-align: center;
}

.dns-section h3 {
    margin-bottom: 10px;
    color: #667eea;
}

.products-section h3 {
    margin-bottom: 20px;
    color: #667eea;
}

.products-list {
    display: grid;
    gap: 20px;
}

.product-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

.product-card h4 {
    margin-bottom: 15px;
    color: #667eea;
}

.product-card p {
    margin-bottom: 10px;
}

.product-card .btn {
    margin-top: 15px;
    margin-bottom: 10px;
}

.expired-info {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}

footer {
    text-align: center;
    margin-top: 40px;
    color: white;
}