/* 注册码生成器样式 */
.rcg-container {
    max-width: 500px;
    margin: 20px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e1e5e9;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.rcg-title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.rcg-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rcg-form-group {
    display: flex;
    flex-direction: column;
}

.rcg-form-group label {
    font-weight: 500;
    color: #555;
    margin-bottom: 8px;
    font-size: 14px;
}

.rcg-form-group input[type="text"],
.rcg-form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.rcg-form-group input[type="text"]:focus,
.rcg-form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.rcg-form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: monospace;
    line-height: 1.4;
}

.rcg-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

.rcg-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.rcg-btn:active {
    transform: translateY(0);
}

.rcg-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.rcg-result {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    word-break: break-all;
    animation: slideIn 0.3s ease;
}

.rcg-result strong {
    color: #333;
    font-weight: 600;
}

#rcg-code {
    display: block;
    margin-top: 10px;
    padding: 10px;
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

#rcg-code:hover {
    background: #f0f0f0;
}



/* 提示消息样式 */
.rcg-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #28a745;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.rcg-toast.show {
    opacity: 1;
    transform: translateX(0);
}

/* 动画效果 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 使用次数提示样式 */
.rcg-usage-info {
    margin-top: 15px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    animation: slideIn 0.3s ease;
}

.rcg-usage-normal {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.rcg-usage-warning {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .rcg-container {
        margin: 10px;
        padding: 20px;
    }
    
    .rcg-title {
        font-size: 20px;
    }
    
    .rcg-btn {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .rcg-toast {
        right: 10px;
        left: 10px;
        transform: translateY(-100%);
    }
    
    .rcg-toast.show {
        transform: translateY(0);
    }
    
    .rcg-usage-info {
        font-size: 13px;
        padding: 10px 12px;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .rcg-container {
        background: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }
    
    .rcg-title {
        color: #e2e8f0;
        border-bottom-color: #4a5568;
    }
    
    .rcg-form-group label {
        color: #cbd5e0;
    }
    
    .rcg-form-group input[type="text"],
    .rcg-form-group textarea {
        background: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    .rcg-form-group input[type="text"]:focus,
    .rcg-form-group textarea:focus {
        border-color: #667eea;
        background: #2d3748;
    }
    
    .rcg-result {
        background: #4a5568;
        color: #e2e8f0;
    }
    
    #rcg-code {
        background: #2d3748;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    #rcg-code:hover {
        background: #1a202c;
    }
    

}