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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #5f9a85 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    text-align: center;
    padding: 40px 0;
    color: white;
}

.small-nav {
    font-size: 0.95rem;
    margin-bottom: 5px;
    opacity: 0.9;
}

.logo {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Main Content */
.main {
    background: white;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* Proxy Form */
.happy-form {
    text-align: center;
    margin-bottom: 60px;
}

.input-group {
    display: flex;
    max-width: 600px;
    margin: 0 auto 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border-radius: 50px;
    overflow: hidden;
}

.url-input {
    flex: 1;
    padding: 18px 25px;
    font-size: 1.1rem;
    border: none;
    outline: none;
    background: #f8f9fa;
}

.url-input:focus {
    background: white;
}

.go-button {
    padding: 18px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    color: white;
    background: linear-gradient(45deg, #5f9a85, #764ba2);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.go-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.go-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}


/* Category Sections */
.category-section {
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.category-section h2 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.4rem;
    border-left: 4px solid #5f9a85;
    padding-left: 10px;
}

.category-links {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.category-links .link-item {
    display: inline-block;
    padding: 8px 12px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    text-decoration: none;
    color: #495057;
    transition: all 0.2s ease;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
}

.category-links .link-item:hover {
    background: #e3f2fd;
    border-color: #1976d2;
    color: #1976d2;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .category-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .category-links .link-item {
        padding: 8px 10px;
        font-size: 0.85rem;
    }
}

.no-links {
    text-align: center;
    color: #999;
    font-style: italic;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px dashed #dee2e6;
}

/* Directory Links */
.directory-links {
    margin-top: 40px;
    border-top: 1px solid #eee;
    padding-top: 30px;
}

.directory-links h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(20, 1fr);
    gap: 2px;
    padding: 8px;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    background: #fafafa;
    overflow: hidden;
}

.links-grid a {
    display: block;
    padding: 3px 2px;
    color: #999;
    text-decoration: none;
    font-size: 0.6rem;
    text-align: center;
    background: #fafafa;
    font-weight: normal;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.links-grid a:hover {
    color: #666;
}

/* Mobile responsive for links-grid */
@media (max-width: 768px) {
    .links-grid {
        grid-template-columns: repeat(20, 1fr);
        gap: 1px;
        padding: 4px;
    }
    
    .links-grid a {
        padding: 2px 1px;
        font-size: 0.5rem;
    }
}

/* Popular Sites */
.popular-sites h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 10px;
    color: #333;
}

.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.site-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.site-card:hover {
    background: #e9ecef;
    border-color: #007bff;
    transform: translateY(-3px);
}

.site-card .site-name {
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.site-card .site-url {
    color: #666;
    font-size: 0.9rem;
}


.loading {
    text-align: center;
    padding: 40px;
    color: #666;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    color: white;
    opacity: 0.8;
}


/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .main {
        padding: 30px 20px;
    }
    
    .input-group {
        flex-direction: column;
        border-radius: 15px;
    }
    
    .url-input {
        border-radius: 15px 15px 0 0;
    }
    
    .go-button {
        border-radius: 0 0 15px 15px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .sites-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

/* Error Messages */
.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 12px 20px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 12px 20px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
}