/* User Name Generator - Main Styles */
.ung-container {
    max-width: 800px;
    margin: 30px auto;
    padding: 30px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

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

.ung-header h2 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.ung-header .ung-subtitle {
    color: #7f8c8d;
    font-size: 1.1em;
    margin-top: 0;
}

.ung-controls {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.ung-input-group {
    margin-bottom: 25px;
}

.ung-input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ung-input,
.ung-select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e6ed;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.ung-input:focus,
.ung-select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.ung-hint {
    font-size: 0.9em;
    color: #95a5a6;
    margin-top: 5px;
    font-style: italic;
}

.ung-button {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.2em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.ung-button:hover {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    transform: translateY(-2px);
    box-shadow: 0 7px 14px rgba(52, 152, 219, 0.2);
}

.ung-button:active {
    transform: translateY(0);
}

.ung-loader {
    text-align: center;
    padding: 40px;
    display: none;
}

.ung-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: ung-spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.ung-results {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: none;
}

.ung-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f8f9fa;
}

.ung-results-header h3 {
    color: #2c3e50;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ung-results-count {
    color: #7f8c8d;
    font-size: 0.9em;
}

.ung-usernames {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.ung-username {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 10px;
    border: 2px solid #e9ecef;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: #2c3e50;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ung-username:hover {
    background: #e3f2fd;
    border-color: #3498db;
    transform: translateY(-2px);
}

.ung-username-copy {
    background: transparent;
    border: none;
    color: #3498db;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9em;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.ung-username:hover .ung-username-copy {
    opacity: 1;
}

.ung-footer {
    margin-top: 30px;
    text-align: center;
    color: #7f8c8d;
}

.ung-tip {
    background: rgba(255, 255, 255, 0.8);
    padding: 15px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95em;
}

.ung-copy-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #27ae60;
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.ung-copy-notification.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .ung-container {
        padding: 20px;
        margin: 15px;
    }
    
    .ung-header h2 {
        font-size: 2em;
        flex-direction: column;
        gap: 10px;
    }
    
    .ung-usernames {
        grid-template-columns: 1fr;
    }
    
    .ung-results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .ung-controls {
        padding: 20px;
    }
}

/* Animation for generated usernames */
@keyframes ung-fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ung-username {
    animation: ung-fadeIn 0.3s ease forwards;
}